The interaction of bright solitons of different orders and two different wavelengths propagating in the medium focusing for one wavelength and defocusing for the other is considered. The system of nonlinear Schrödinger equations is solved by means of perturbation theory. Application of an additional postulate to adjust both widths of the solitons and to modify the amplitude by a factor determined by the overlap integral greatly improves the accuracy of the description. The good accuracy of description is confirmed by numerical calculations. Full Text: PDF ReferencesY. Kivshar, G. P. Agrawal, Optical Solitons. From Fibers to Photonic Crystals, (Amsterdam, Academic Press 2003). CrossRef F. Abdullaev, S. Darmanyan, P. Khabibullaev, Optical Solitons, (Springer-Verlag, Berlin, 1993) CrossRef G.I.A Stegema, D.N. Christodoulides, M. Segev, IEEE J. Selected Topics Quantum Electron. 6, (2000), 1419 CrossRef J. Yang, "Nonlinear Waves in Integrable and Nonintegrable Systems", (SIAM, Philadelphia 2010). CrossRef Y. Kivshar, B. Malomed, "Dynamics of solitons in nearly integrable systems", Rev. Mod. Phys. 61, 763 (1989). CrossRef P.G. Kevrekidis, D.J. Frantzeskakis, "Solitons in coupled nonlinear Schrödinger models: A survey of recent developments", Reviews in Physics 1 (2016), 140 CrossRef R. de la Fuente, A. Barthelemy, "Spatial soliton-induced guiding by cross-phase modulation", IEEE J. Quantum Electron. 28, 547 (1992). CrossRef H. T. Tran, R. A. Sammut, "Families of multiwavelength spatial solitons in nonlinear Kerr media", Phys. Rev. A 52, 3170 (1995). CrossRef S. Leble, B. Reichel, "Coupled nonlinear Schrödinger equations in optic fibers theory", Eur. Phys. J. Special Topics 173, 5 (2009). CrossRef M. Vijayajayanthi, T.Kanna, M. Lakshmanan, "Multisoliton solutions and energy sharing collisions in coupled nonlinear Schrödinger equations with focusing, defocusing and mixed type nonlinearities", Eur. Phys. J. Special Topics 173, 57 (2009). CrossRef S. V. Manakov, "On the theory of two-dimensional stationary self-focusing of electromagnetic waves ", Sov. Phys. JETP 38 (1973), 248 DirectLink J. Yang, Phys. Rev. E 65, 036606 (2002). CrossRef T.Kanna, M. Lakshmanan, "Exact Soliton Solutions, Shape Changing Collisions, and Partially Coherent Solitons in Coupled Nonlinear Schrödinger Equations", Phys. Rev. Lett. 86, 5043 (2001). CrossRef M. Jakubowski, K. Steiglitz, R. Squier, "State transformations of colliding optical solitons and possible application to computation in bulk media", Phys. Rev. E 58, 6752 (1998). CrossRef P. S. Jung, W. Krolikowski, U. A. Laudyn, M. Trippenbach, and M. A. Karpierz, "Supermode spatial optical solitons in liquid crystals with competing nonlinearities", Phys. Rev. A 95 (2017). CrossRef P. S. Jung, M. A. Karpierz, M. Trippenbach, D. N. Christodoulides, and W. Krolikowski, "Supermode spatial solitons via competing nonlocal nonlinearities", Photonics Lett. Pol. 10 (2018). CrossRef A. Ramaniuk, M. Trippenbach, P.S. Jung, D.N. Christodou
考虑了两种不同波长、不同阶数的亮孤子在介质中传播时的相互作用，其中一种波长聚焦，另一种波长散焦。用摄动理论求解了非线性Schrödinger方程组。应用一个额外的假设来调整孤子的宽度，并通过由重叠积分决定的因子来修改振幅，大大提高了描述的准确性。数值计算证实了描述的良好准确性。全文:PDF参考。G. P. Agrawal，光学孤子。从光纤到光子晶体，(阿姆斯特丹，学术出版社2003)。CrossRef F. Abdullaev, S. Darmanyan, P. Khabibullaev，光学孤子，(Springer-Verlag，柏林，1993)CrossRef G.I.A Stegema, D.N. Christodoulides, M. Segev, IEEE .量子电子选辑，6，(2000)，1419 CrossRef J. Yang，“可积和不可积系统中的非线性波”，(SIAM，费城，2010)。CrossRef . Kivshar . B. Malomed .“近可积系统的孤子动力学”，物理学报，61,763(1989)。CrossRef P.G. Kevrekidis, D.J. Frantzeskakis，“耦合非线性Schrödinger模型中的孤子:近期发展综述”，物理评论1 (2016)，140 CrossRef R. de la Fuente, A. Barthelemy，“交叉相位调制的空间孤子诱导引导”，IEEE J.量子电子，28,547(1992)。陈洪涛，“非线性Kerr介质中的多波长空间孤子族”，物理学报。修订版52,3170(1995)。CrossRef S. Leble, B. Reichel，“光纤理论中的耦合非线性Schrödinger方程”，欧洲。理论物理。[j] .科学通报，2009(5)。引用本文:M. Vijayajayanthi, T.Kanna, M. Lakshmanan，“具有聚焦、散焦和混合非线性的耦合非线性Schrödinger方程的多孤子解和能量共享碰撞”，ei。理论物理。[j] .中国科学:自然科学，2009(5)。CrossRef S. V. Manakov，“电磁波二维稳态自聚焦理论的研究”，中华人民大学学报(自然科学版)。理论物理。[j]杨建军。Rev. 65, 036606(2002)。交叉参考T.Kanna, M. Lakshmanan，“精确孤子解、形状变化碰撞和耦合非线性Schrödinger方程中的部分相干孤子”，物理学报。Rev. Lett. 86, 5043(2001)。CrossRef M. Jakubowski, K. Steiglitz, R. Squier，“碰撞光孤子的状态变换及其在体介质计算中的可能应用”，物理学报。Rev. 58,6752(1998)。CrossRef P. S. Jung, W. Krolikowski, U. A. Laudyn, M. Trippenbach, M. A. Karpierz，“竞争非线性液晶中的超模空间光孤子”，物理学报。Rev. A 95(2017)。引用本文:P. S. Jung, M. A. Karpierz, M. Trippenbach, D. N. Christodoulides, W. Krolikowski，“竞争非局部非线性的超模空间孤子”，光子学杂志。波尔10(2018)。A. Ramaniuk, M. Trippenbach, P.S. Jung, D.N. Christodoulides, W.Krolikowski, G. Assanto，“竞争非局部非线性的标量和矢量超模孤子”，光学学报，29 (21
{"title":"Solution of coupled nonlinear Schrödinger equations in focusing-defocusing medium by modified perturbation theory","authors":"J. Jasiński, M. Karpierz","doi":"10.4302/plp.v13i2.1106","DOIUrl":"https://doi.org/10.4302/plp.v13i2.1106","url":null,"abstract":"The interaction of bright solitons of different orders and two different wavelengths propagating in the medium focusing for one wavelength and defocusing for the other is considered. The system of nonlinear Schrödinger equations is solved by means of perturbation theory. Application of an additional postulate to adjust both widths of the solitons and to modify the amplitude by a factor determined by the overlap integral greatly improves the accuracy of the description. The good accuracy of description is confirmed by numerical calculations. Full Text: PDF ReferencesY. Kivshar, G. P. Agrawal, Optical Solitons. From Fibers to Photonic Crystals, (Amsterdam, Academic Press 2003). CrossRef F. Abdullaev, S. Darmanyan, P. Khabibullaev, Optical Solitons, (Springer-Verlag, Berlin, 1993) CrossRef G.I.A Stegema, D.N. Christodoulides, M. Segev, IEEE J. Selected Topics Quantum Electron. 6, (2000), 1419 CrossRef J. Yang, \"Nonlinear Waves in Integrable and Nonintegrable Systems\", (SIAM, Philadelphia 2010). CrossRef Y. Kivshar, B. Malomed, \"Dynamics of solitons in nearly integrable systems\", Rev. Mod. Phys. 61, 763 (1989). CrossRef P.G. Kevrekidis, D.J. Frantzeskakis, \"Solitons in coupled nonlinear Schrödinger models: A survey of recent developments\", Reviews in Physics 1 (2016), 140 CrossRef R. de la Fuente, A. Barthelemy, \"Spatial soliton-induced guiding by cross-phase modulation\", IEEE J. Quantum Electron. 28, 547 (1992). CrossRef H. T. Tran, R. A. Sammut, \"Families of multiwavelength spatial solitons in nonlinear Kerr media\", Phys. Rev. A 52, 3170 (1995). CrossRef S. Leble, B. Reichel, \"Coupled nonlinear Schrödinger equations in optic fibers theory\", Eur. Phys. J. Special Topics 173, 5 (2009). CrossRef M. Vijayajayanthi, T.Kanna, M. Lakshmanan, \"Multisoliton solutions and energy sharing collisions in coupled nonlinear Schrödinger equations with focusing, defocusing and mixed type nonlinearities\", Eur. Phys. J. Special Topics 173, 57 (2009). CrossRef S. V. Manakov, \"On the theory of two-dimensional stationary self-focusing of electromagnetic waves \", Sov. Phys. JETP 38 (1973), 248 DirectLink J. Yang, Phys. Rev. E 65, 036606 (2002). CrossRef T.Kanna, M. Lakshmanan, \"Exact Soliton Solutions, Shape Changing Collisions, and Partially Coherent Solitons in Coupled Nonlinear Schrödinger Equations\", Phys. Rev. Lett. 86, 5043 (2001). CrossRef M. Jakubowski, K. Steiglitz, R. Squier, \"State transformations of colliding optical solitons and possible application to computation in bulk media\", Phys. Rev. E 58, 6752 (1998). CrossRef P. S. Jung, W. Krolikowski, U. A. Laudyn, M. Trippenbach, and M. A. Karpierz, \"Supermode spatial optical solitons in liquid crystals with competing nonlinearities\", Phys. Rev. A 95 (2017). CrossRef P. S. Jung, M. A. Karpierz, M. Trippenbach, D. N. Christodoulides, and W. Krolikowski, \"Supermode spatial solitons via competing nonlocal nonlinearities\", Photonics Lett. Pol. 10 (2018). CrossRef A. Ramaniuk, M. Trippenbach, P.S. Jung, D.N. Christodou","PeriodicalId":20055,"journal":{"name":"Photonics Letters of Poland","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45994176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Biometric systems are becoming more and more efficient due to increasing performance of algorithms. These systems are also vulnerable to various attacks. Presentation of falsified identity to a biometric sensor is one the most urgent challenges for the recent biometric recognition systems. Exploration of specific properties of thermal infrared seems to be a comprehensive solution for detecting face presentation attacks. This letter presents outcome of our study on detecting 3D face masks using thermal infrared imaging and deep learning techniques. We demonstrate results of a two-step neural network-featured method for detecting presentation attacks. Full Text: PDF ReferencesS.R. Arashloo, J. Kittler, W. Christmas, "Face Spoofing Detection Based on Multiple Descriptor Fusion Using Multiscale Dynamic Binarized Statistical Image Features", IEEE Trans. Inf. Forensics Secur. 10, 11 (2015). CrossRef A. Anjos, M.M. Chakka, S. Marcel, "Motion-based counter-measures to photo attacks inface recognition", IET Biometrics 3, 3 (2014). CrossRef M. Killioǧlu, M. Taşkiran, N. Kahraman, "Anti-spoofing in face recognition with liveness detection using pupil tracking", Proc. SAMI IEEE, (2017). CrossRef A. Asaduzzaman, A. Mummidi, M.F. Mridha, F.N. Sibai, "Improving facial recognition accuracy by applying liveness monitoring technique", Proc. ICAEE IEEE, (2015). CrossRef M. Kowalski, "A Study on Presentation Attack Detection in Thermal Infrared", Sensors 20, 14 (2020). CrossRef C. Galdi, et al, "PROTECT: Pervasive and useR fOcused biomeTrics bordEr projeCT - a case study", IET Biometrics 9, 6 (2020). CrossRef D.A. Socolinsky, A. Selinger, J. Neuheisel, "Face recognition with visible and thermal infrared imagery", Comput. Vis Image Underst. 91, 1-2 (2003) CrossRef L. Sun, W. Huang, M. Wu, "TIR/VIS Correlation for Liveness Detection in Face Recognition", Proc. CAIP, (2011). CrossRef J. Seo, I. Chung, "Face Liveness Detection Using Thermal Face-CNN with External Knowledge", Symmetry 2019, 11, 3 (2019). CrossRef A. George, Z. Mostaani, D Geissenbuhler, et al., "Biometric Face Presentation Attack Detection With Multi-Channel Convolutional Neural Network", IEEE Trans. Inf. Forensics Secur. 15, (2020). CrossRef S. Ren, K. He, R. Girshick, J. Sun, "Proceedings of IEEE Conference on Computer Vision and Pattern Recognition", Proc. CVPR IEEE 39, (2016). CrossRef K. He, X. Zhang, S. Ren, J. Sun, "Deep Residual Learning for Image Recognition", Proc. CVPR, (2016). CrossRef K. Mierzejewski, M. Mazurek, "A New Framework for Assessing Similarity Measure Impact on Classification Confidence Based on Probabilistic Record Linkage Model", Procedia Manufacturing 44, 245-252 (2020). CrossRef
由于算法性能的提高，生物识别系统变得越来越高效。这些系统也容易受到各种攻击。向生物识别传感器显示伪造的身份是当前生物识别系统面临的最紧迫的挑战之一。探索热红外的具体性质似乎是一个全面的解决方案，以检测人脸呈现攻击。这封信介绍了我们使用热红外成像和深度学习技术检测3D口罩的研究结果。我们展示了用于检测表示攻击的两步神经网络特征方法的结果。全文:PDF参考文献。陈晓明，“基于多描述子融合的人脸欺骗检测方法”，中国科学院学报(自然科学版)《法医安全》10,11(2015)。张晓明，张晓明，张晓明，“基于动作的人脸识别算法研究”，生物识别学报，33(2014)。CrossRef M. Killioǧlu, M. ta kiran, N. Kahraman，“基于瞳孔跟踪的人脸识别中的反欺骗”，Proc. SAMI IEEE，(2017)。陈晓明，陈晓明，陈晓明，“基于动态监测技术的人脸识别技术研究”，中国生物医学工程学报，(2015)。CrossRef M. Kowalski，“基于热红外的呈现攻击检测研究”，传感器，2014(2020)。CrossRef C. Galdi等，“保护:普及和以用户为中心的生物识别边界项目-案例研究”，IET生物识别，6(2020)。[CrossRef] A. Socolinsky, A. Selinger, J. Neuheisel，“可见光和热红外图像的人脸识别”，计算机学报。孙磊，黄伟，吴明，“基于TIR/ Vis相关性的人脸识别”，中国视觉科学，(2011)。CrossRef J. Seo, I. Chung，“基于外部知识的热人脸- cnn的人脸活动性检测”，《对称》，2019,11,3(2019)。陈建军，张建军，张建军，等。基于多通道卷积神经网络的人脸识别攻击检测方法[j] .中文信息学报。信息取证安全15，(2020)。[交叉参考]任淑娟，何凯，孙俊，“计算机视觉与模式识别”，计算机视觉与模式识别，vol . 39，(2016)。[交叉参考]何凯，张晓明，任树生，孙军，“基于深度残差学习的图像识别”，CVPR，(2016)。陈晓明，“基于概率记录关联模型的产品分类置信度评估方法研究”，中国机械工程学报，34(4)，344 - 344(2020)。CrossRef
{"title":"Detection of 3D face masks with thermal infrared imaging and deep learning techniques","authors":"M. Kowalski, Krzysztof Mierzejewski","doi":"10.4302/plp.v13i2.1091","DOIUrl":"https://doi.org/10.4302/plp.v13i2.1091","url":null,"abstract":"Biometric systems are becoming more and more efficient due to increasing performance of algorithms. These systems are also vulnerable to various attacks. Presentation of falsified identity to a biometric sensor is one the most urgent challenges for the recent biometric recognition systems. Exploration of specific properties of thermal infrared seems to be a comprehensive solution for detecting face presentation attacks. This letter presents outcome of our study on detecting 3D face masks using thermal infrared imaging and deep learning techniques. We demonstrate results of a two-step neural network-featured method for detecting presentation attacks. Full Text: PDF ReferencesS.R. Arashloo, J. Kittler, W. Christmas, \"Face Spoofing Detection Based on Multiple Descriptor Fusion Using Multiscale Dynamic Binarized Statistical Image Features\", IEEE Trans. Inf. Forensics Secur. 10, 11 (2015). CrossRef A. Anjos, M.M. Chakka, S. Marcel, \"Motion-based counter-measures to photo attacks inface recognition\", IET Biometrics 3, 3 (2014). CrossRef M. Killioǧlu, M. Taşkiran, N. Kahraman, \"Anti-spoofing in face recognition with liveness detection using pupil tracking\", Proc. SAMI IEEE, (2017). CrossRef A. Asaduzzaman, A. Mummidi, M.F. Mridha, F.N. Sibai, \"Improving facial recognition accuracy by applying liveness monitoring technique\", Proc. ICAEE IEEE, (2015). CrossRef M. Kowalski, \"A Study on Presentation Attack Detection in Thermal Infrared\", Sensors 20, 14 (2020). CrossRef C. Galdi, et al, \"PROTECT: Pervasive and useR fOcused biomeTrics bordEr projeCT - a case study\", IET Biometrics 9, 6 (2020). CrossRef D.A. Socolinsky, A. Selinger, J. Neuheisel, \"Face recognition with visible and thermal infrared imagery\", Comput. Vis Image Underst. 91, 1-2 (2003) CrossRef L. Sun, W. Huang, M. Wu, \"TIR/VIS Correlation for Liveness Detection in Face Recognition\", Proc. CAIP, (2011). CrossRef J. Seo, I. Chung, \"Face Liveness Detection Using Thermal Face-CNN with External Knowledge\", Symmetry 2019, 11, 3 (2019). CrossRef A. George, Z. Mostaani, D Geissenbuhler, et al., \"Biometric Face Presentation Attack Detection With Multi-Channel Convolutional Neural Network\", IEEE Trans. Inf. Forensics Secur. 15, (2020). CrossRef S. Ren, K. He, R. Girshick, J. Sun, \"Proceedings of IEEE Conference on Computer Vision and Pattern Recognition\", Proc. CVPR IEEE 39, (2016). CrossRef K. He, X. Zhang, S. Ren, J. Sun, \"Deep Residual Learning for Image Recognition\", Proc. CVPR, (2016). CrossRef K. Mierzejewski, M. Mazurek, \"A New Framework for Assessing Similarity Measure Impact on Classification Confidence Based on Probabilistic Record Linkage Model\", Procedia Manufacturing 44, 245-252 (2020). CrossRef","PeriodicalId":20055,"journal":{"name":"Photonics Letters of Poland","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48275292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Recent miniaturization developments in devices for spectroscopy have reduced greatly their costs and increased their availability for a wide range of users and applications. This paper presents the design and implementation of a driver system for a Hamamatsu C12880MA microspectrometer. The system implementation was carried out and compared using two independent microcontroller modules: Arduino Uno and STM32F411RE Nucleo. We assessed the microspectrometer system parameters like resolution and integration time, as influenced by the choice of a driver microcontroller. We present a possible application of this microspectrometer system for measurements of ground coffee beans reflectance for control of coffee roasting. Full Text: PDF ReferencesCrocombe RA. Portable Spectroscopy. "Portable Spectroscopy", Applied Spectroscopy. 2018;72(12):1701-1751 CrossRef Datasheet Hamamastu C12880MA DirectLink Datasheet Arduino Uno DirectLink Datasheet STM32F411RE DirectLink Hernández, J. A., B. Heyd, and G. Trystram. "Prediction of brightness and surface area kinetics during coffee roasting." Journal of Food Engineering 89.2 (2008): 156-163. CrossRef
最近光谱学设备的小型化发展大大降低了它们的成本，并增加了它们在广泛用户和应用中的可用性。介绍了滨松C12880MA微谱仪驱动系统的设计与实现。采用Arduino Uno和STM32F411RE Nucleo两个独立的微控制器模块进行系统实现并进行比较。我们评估了微光谱仪系统参数，如分辨率和积分时间，作为驱动微控制器的选择的影响。我们提出了一种可能的应用该微谱仪系统测量磨碎咖啡豆的反射率，以控制咖啡烘焙。全文:PDF参考文献crocombe RA。便携式光谱。“便携式光谱学”，应用光谱学。2018;72(12):1701-1751 CrossRef Datasheet Hamamastu C12880MA DirectLink Datasheet Arduino Uno DirectLink Datasheet STM32F411RE DirectLink Hernández, J. A.， B. Heyd, and G. Trystram。咖啡烘焙过程中亮度和表面积动力学的预测食品工程学报(2008):156-163。CrossRef
{"title":"Design and implementation of the driver system for Hamamatsu C12880MA microspectrometer","authors":"P. Sokołowski, M. Wróbel, K. Karpienko","doi":"10.4302/plp.v13i2.1103","DOIUrl":"https://doi.org/10.4302/plp.v13i2.1103","url":null,"abstract":"Recent miniaturization developments in devices for spectroscopy have reduced greatly their costs and increased their availability for a wide range of users and applications. This paper presents the design and implementation of a driver system for a Hamamatsu C12880MA microspectrometer. The system implementation was carried out and compared using two independent microcontroller modules: Arduino Uno and STM32F411RE Nucleo. We assessed the microspectrometer system parameters like resolution and integration time, as influenced by the choice of a driver microcontroller. We present a possible application of this microspectrometer system for measurements of ground coffee beans reflectance for control of coffee roasting. Full Text: PDF ReferencesCrocombe RA. Portable Spectroscopy. \"Portable Spectroscopy\", Applied Spectroscopy. 2018;72(12):1701-1751 CrossRef Datasheet Hamamastu C12880MA DirectLink Datasheet Arduino Uno DirectLink Datasheet STM32F411RE DirectLink Hernández, J. A., B. Heyd, and G. Trystram. \"Prediction of brightness and surface area kinetics during coffee roasting.\" Journal of Food Engineering 89.2 (2008): 156-163. CrossRef","PeriodicalId":20055,"journal":{"name":"Photonics Letters of Poland","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48078604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The text presents differences between the mechanism of seeing and recording images and potential sources of errors in color reproduction in recorded images. The measurements show that despite the relatively high values of indices (Ra, Rf i Rg) not all tested lamps are suitable for use on a photo set, as indicated by the value of TLCI index. The lighting requirements on a film set prioritize the quality of color reproduction, even at the expense of reducing the Luminous efficacy of a source (LES ) value. Full Text: PDF ReferencesL.T. Sharpe, A. Jagla, W. Jägle, "A luminous efficiency function, V*(λ), for daylight adaptation", J. Vision 5(11), 948 (2012) DirectLink K. Mangold, J.A. Shaw, M. Vollmer, The physics of near-infrared photography, Eur. J. Phys. 34 (2013), pp. 51-71 CrossRef Simunovic M. P., On Seeing Yellow The Case for, and Against, Short-Wavelength Light-Absorbing Intraocular Lenses, Archives of Ophthalmology, vol. 130, no. 7, pp. 919-926, 2012 CrossRef M. Gilewski, The ecological hazard of artificial lighting in greenhouses, Phot. Lett. Pol., vol. 11 Issue: 3, pp. 87-89, 2019. CrossRef M. Gilewski, The role of light in the plants world, Phot. Lett. Pol., vol. 11, no. 4, pp. 115-117, 2019 CrossRef I. Fryc and E. Czech Spectral correction of the measurement CCD array, Optical Engineering 41(10), pp.2402-2406 (2002). CrossRef L. Bellia, U. Blaszczak, F. Fragliasso, L. Gryko, Matching CIE illuminants to measured spectral power distributions: A method to evaluate non-visual potential of daylight in two European cities, Solar Energy, Volume 208, 2020, Pages 830-858 CrossRef J. Kusznier and W. Wojtkowski, Impact of climatic conditions on PV panels operation in a photovoltaic power plant, IEEE, 2019 15th Selected Issues of Electrical Engineering and Electronics (WZEE), Zakopane, Poland, pp. 1-6, 2019 CrossRef J. Kusznier and W. Wojtkowski, Impact of climatic conditions and solar exposure on the aging of PV panels, IEEE, 2019 15th Selected Issues of Electrical Engineering and Electronics (WZEE), Zakopane, Poland, pp. 1-6, 2019 CrossRef J. Fan, Y. Li, I. Fryc, C. Qian, X. Fan and G. Zhang, Machine-Learning Assisted Prediction of Spectral Power Distribution for Full-Spectrum White Light-Emitting Diode, in IEEE Photonics Journal, vol. 12, no. 1, pp. 1-18, Feb. 2020, Art no. 8200218, CrossRef M. Gilewski, L. Gryko, A. Zajac, Digital controlling system to the set of high power LEDs, Proc. of SPIE, 8902, 89021D, 2013 CrossRef J. Kusznier, W. Wojtkowski, Spectral properties of smart LED lamps, Phot. Lett. Pol., vol. 12, no. 1, pp. 16-18, 2020. CrossRef J. Kusznier, Changes in the Spectral Power Distribution of Light Sources for Smart Lighting, IEEE, 14th WZEE, pp. 1-5, 2018 CrossRef H. F. Ivey, Color and Efficiency of Luminescent Light Sources, J. Opt. Soc. Am. 53, 1185-1198 (1963) CrossRef F. Zhang, H. Xu, Z. Wang, Optimizing spectral compositions of multichannel LED light sources by IES color fidelity index and luminous efficacy of radiation, Appl.
{"title":"Influence of spectral properties of light sources on perceived and recorded images","authors":"J. Kusznier","doi":"10.4302/plp.v13i2.1105","DOIUrl":"https://doi.org/10.4302/plp.v13i2.1105","url":null,"abstract":"The text presents differences between the mechanism of seeing and recording images and potential sources of errors in color reproduction in recorded images. The measurements show that despite the relatively high values of indices (Ra, Rf i Rg) not all tested lamps are suitable for use on a photo set, as indicated by the value of TLCI index. The lighting requirements on a film set prioritize the quality of color reproduction, even at the expense of reducing the Luminous efficacy of a source (LES ) value. Full Text: PDF ReferencesL.T. Sharpe, A. Jagla, W. Jägle, \"A luminous efficiency function, V*(λ), for daylight adaptation\", J. Vision 5(11), 948 (2012) DirectLink K. Mangold, J.A. Shaw, M. Vollmer, The physics of near-infrared photography, Eur. J. Phys. 34 (2013), pp. 51-71 CrossRef Simunovic M. P., On Seeing Yellow The Case for, and Against, Short-Wavelength Light-Absorbing Intraocular Lenses, Archives of Ophthalmology, vol. 130, no. 7, pp. 919-926, 2012 CrossRef M. Gilewski, The ecological hazard of artificial lighting in greenhouses, Phot. Lett. Pol., vol. 11 Issue: 3, pp. 87-89, 2019. CrossRef M. Gilewski, The role of light in the plants world, Phot. Lett. Pol., vol. 11, no. 4, pp. 115-117, 2019 CrossRef I. Fryc and E. Czech Spectral correction of the measurement CCD array, Optical Engineering 41(10), pp.2402-2406 (2002). CrossRef L. Bellia, U. Blaszczak, F. Fragliasso, L. Gryko, Matching CIE illuminants to measured spectral power distributions: A method to evaluate non-visual potential of daylight in two European cities, Solar Energy, Volume 208, 2020, Pages 830-858 CrossRef J. Kusznier and W. Wojtkowski, Impact of climatic conditions on PV panels operation in a photovoltaic power plant, IEEE, 2019 15th Selected Issues of Electrical Engineering and Electronics (WZEE), Zakopane, Poland, pp. 1-6, 2019 CrossRef J. Kusznier and W. Wojtkowski, Impact of climatic conditions and solar exposure on the aging of PV panels, IEEE, 2019 15th Selected Issues of Electrical Engineering and Electronics (WZEE), Zakopane, Poland, pp. 1-6, 2019 CrossRef J. Fan, Y. Li, I. Fryc, C. Qian, X. Fan and G. Zhang, Machine-Learning Assisted Prediction of Spectral Power Distribution for Full-Spectrum White Light-Emitting Diode, in IEEE Photonics Journal, vol. 12, no. 1, pp. 1-18, Feb. 2020, Art no. 8200218, CrossRef M. Gilewski, L. Gryko, A. Zajac, Digital controlling system to the set of high power LEDs, Proc. of SPIE, 8902, 89021D, 2013 CrossRef J. Kusznier, W. Wojtkowski, Spectral properties of smart LED lamps, Phot. Lett. Pol., vol. 12, no. 1, pp. 16-18, 2020. CrossRef J. Kusznier, Changes in the Spectral Power Distribution of Light Sources for Smart Lighting, IEEE, 14th WZEE, pp. 1-5, 2018 CrossRef H. F. Ivey, Color and Efficiency of Luminescent Light Sources, J. Opt. Soc. Am. 53, 1185-1198 (1963) CrossRef F. Zhang, H. Xu, Z. Wang, Optimizing spectral compositions of multichannel LED light sources by IES color fidelity index and luminous efficacy of radiation, Appl. ","PeriodicalId":20055,"journal":{"name":"Photonics Letters of Poland","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49179544","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zuzanna Orzechowska, M. Mrózek, W. Gawlik, A. Wojciechowski
We demonstrate a simple dip-coating method of covering standard AFM tips with nanodiamonds containing color centers. Such coating enables convenient visualization of AFM tips above transparent samples as well as using the tip for performing spatially resolved magnetometry. Full Text: PDF ReferencesG. Binnig, C. F. Quate, C. Gerber, "Atomic Force Microscope", Phys. Rev. Lett. 56, 930 (1986). CrossRef F .J. Giessibl, "Advances in atomic force microscopy", Rev. Mod. Phys. 75, 949 (2003). CrossRef S. Kasas, G. Dietler, "Probing nanomechanical properties from biomolecules to living cells", Eur. J. Appl. Physiol. 456, 13 (2008). CrossRef C. Roduit et al., "Stiffness Tomography by Atomic Force Microscopy", Biophys. J. 97, 674 (2009). CrossRef L. A. Kolodny et al., "Spatially Correlated Fluorescence/AFM of Individual Nanosized Particles and Biomolecules", Anal. Chem. 73, 1959 (2001). CrossRef L. Rondin et al., "Magnetometry with nitrogen-vacancy defects in diamond", Rep. Prog. Phys. 77, 056503 (2014). CrossRef C. L. Degen, "Scanning magnetic field microscope with a diamond single-spin sensor", Appl. Phys. Lett. 92, 243111 (2008). CrossRef J. M. Taylor et al., "High-sensitivity diamond magnetometer with nanoscale resolution", Nat. Phys. 4, 810 (2008). CrossRef J. R. Maze et al., "Nanoscale magnetic sensing with an individual electronic spin in diamond", Nature 455, 644 (2008). CrossRef L. Rondin et al., "Nanoscale magnetic field mapping with a single spin scanning probe magnetometer", Appl. Phys. Lett. 100, 153118 (2012). CrossRef J. P. Tetienne et al., "Nanoscale imaging and control of domain-wall hopping with a nitrogen-vacancy center microscope", Science 344, 1366 (2014). CrossRef R. Nelz et al., "Color center fluorescence and spin manipulation in single crystal, pyramidal diamond tips", Appl. Phys. Lett. 109, 193105 (2016). CrossRef G. Balasubramanian et al., "Nanoscale imaging magnetometry with diamond spins under ambient conditions", Nature 455, 648 (2008). CrossRef P. Maletinsky et al., "A robust scanning diamond sensor for nanoscale imaging with single nitrogen-vacancy centres", Nat. nanotechnol. 7, 320 (2012). CrossRef L. Thiel et al., "Quantitative nanoscale vortex imaging using a cryogenic quantum magnetometer", Nat. nanotechnol. 11, 677 (2016). CrossRef F. Jelezko et al., "Single spin states in a defect center resolved by optical spectroscopy", Appl. Phys. Lett. 81, 2160 (2002). CrossRef M. W. Doherty et al., "The nitrogen-vacancy colour centre in diamond", Phys. Rep. 528, 1 (2013). CrossRef C. Kurtsiefer, S. Mayer, P. Zarda, H. Weinfurter, "Stable Solid-State Source of Single Photons", Phys. Rev. Lett. 85, 290 (2000). CrossRef A. Gruber, A. Dräbenstedt, C. Tietz, L. Fleury, J. Wrachtrup, C. Von Borczyskowski, "Scanning Confocal Optical Microscopy and Magnetic Resonance on Single Defect Centers", Science 276, 2012 (1997). CrossRef F. Dolde et al., "Electric-field sensing using single diamond spins", Nat. Phys. 7, 459 (2011). CrossRef K. Sasaki
我们演示了一种简单的浸渍涂层方法，用含有色心的纳米金刚石覆盖标准AFM尖端。这种涂层可以方便地可视化透明样品上方的AFM尖端，以及使用尖端进行空间分辨磁强计。全文:PDF宾宁，C. F. Quate, C. Gerber，“原子力显微镜”，物理学。Rev. Lett. 56,930(1986)。交叉参考F . j .。Giessibl，“原子力显微镜的进展”，《现代物理》，75,949(2003)。[CrossRef] S. Kasas, G. Dietler，“从生物分子到活细胞的纳米力学特性研究”，欧洲。j:。生理学报，456,13(2008)。CrossRef C. product et al.，“原子力显微镜的刚度层析成像”，生物物理学报。J. 97, 674(2009)。CrossRef L. A. Kolodny et al.，“单个纳米粒子和生物分子的空间相关荧光/AFM”，vol . 3, no . 3。化学，73,1959(2001)。CrossRef L. Rondin et al.，“金刚石中氮空位缺陷的磁强计”，中华人民大学学报(自然科学版)。物理学报，77,056503(2014)。CrossRef C. L. Degen，“带金刚石单自旋传感器的扫描磁场显微镜”，applied。理论物理。Lett. 92, 243111(2008)。CrossRef J. M. Taylor et al.，“高灵敏度纳米级金刚石磁力计”，物理学报，4,10(2008)。CrossRef J. R. Maze et al.，“金刚石中单个电子自旋的纳米级磁传感”，Nature, 455, 644(2008)。CrossRef L. Rondin et al.，“用单自旋扫描探针磁强计绘制纳米级磁场”，苹果。理论物理。生物医学工程学报，2012,33(4):481 - 481。CrossRef J. P. Tetienne et al.，“氮空位中心显微镜在纳米尺度上的成像及对畴壁跳变的控制”，Science, 344, 1366(2014)。CrossRef R. Nelz et al.，“单晶中色心荧光和自旋操纵，锥体钻石尖端”，苹果。理论物理。科学通报，2016，(5):391 - 391。CrossRef G. Balasubramanian et al.，“环境条件下金刚石自旋的纳米成像磁强计”，Nature 455, 648(2008)。CrossRef P. Maletinsky et al.，“用于单氮空位中心纳米级成像的鲁棒扫描金刚石传感器”，纳米技术。7, 320(2012)。CrossRef L. Thiel et al.，“使用低温量子磁力计的定量纳米尺度涡旋成像”，纳米技术。11, 677(2016)。CrossRef F. Jelezko et al.，“用光谱学分析缺陷中心的单自旋态”，applied。理论物理。Lett. 81,2160(2002)。CrossRef M. W. Doherty et al.，“钻石中的氮空位色中心”，物理学。众议员528,1(2013)。C. Kurtsiefer, S. Mayer, P. Zarda, H. Weinfurter，“稳定的单光子固态源”，物理学报。Rev. Lett. 85,290(2000)。* * * A. Gruber, A. Dräbenstedt, C. Tietz, L. Fleury, J. Wrachtrup, C. Von Borczyskowski，“扫描共聚焦光学显微镜与单缺陷中心的磁共振”，科学，2012(1997)。CrossRef F. Dolde et al.，“单钻石自旋的电场传感”，物理学报，7,459(2011)。CrossRef K. Sasaki et al.，“金刚石中氮空位中心的光学探测磁共振宽带、大面积微波天线”，中国科学院学报(自然科学版)。仪器仪表。87,053904(2016)。CrossRef A. M. Wojciechowski等，“基于氮空位色心纳米金刚石的光学磁强计”，材料12,2951(2019)。CrossRef . V. Fedotov et al.，“基于随机自旋的光纤磁强计”，光学学报，39,6755(2014)。CrossRef
{"title":"Preparation and characterization of AFM tips with nitrogen-vacancy and nitrogen-vacancy-nitrogen color centers","authors":"Zuzanna Orzechowska, M. Mrózek, W. Gawlik, A. Wojciechowski","doi":"10.4302/plp.v13i2.1095","DOIUrl":"https://doi.org/10.4302/plp.v13i2.1095","url":null,"abstract":"We demonstrate a simple dip-coating method of covering standard AFM tips with nanodiamonds containing color centers. Such coating enables convenient visualization of AFM tips above transparent samples as well as using the tip for performing spatially resolved magnetometry. Full Text: PDF ReferencesG. Binnig, C. F. Quate, C. Gerber, \"Atomic Force Microscope\", Phys. Rev. Lett. 56, 930 (1986). CrossRef F .J. Giessibl, \"Advances in atomic force microscopy\", Rev. Mod. Phys. 75, 949 (2003). CrossRef S. Kasas, G. Dietler, \"Probing nanomechanical properties from biomolecules to living cells\", Eur. J. Appl. Physiol. 456, 13 (2008). CrossRef C. Roduit et al., \"Stiffness Tomography by Atomic Force Microscopy\", Biophys. J. 97, 674 (2009). CrossRef L. A. Kolodny et al., \"Spatially Correlated Fluorescence/AFM of Individual Nanosized Particles and Biomolecules\", Anal. Chem. 73, 1959 (2001). CrossRef L. Rondin et al., \"Magnetometry with nitrogen-vacancy defects in diamond\", Rep. Prog. Phys. 77, 056503 (2014). CrossRef C. L. Degen, \"Scanning magnetic field microscope with a diamond single-spin sensor\", Appl. Phys. Lett. 92, 243111 (2008). CrossRef J. M. Taylor et al., \"High-sensitivity diamond magnetometer with nanoscale resolution\", Nat. Phys. 4, 810 (2008). CrossRef J. R. Maze et al., \"Nanoscale magnetic sensing with an individual electronic spin in diamond\", Nature 455, 644 (2008). CrossRef L. Rondin et al., \"Nanoscale magnetic field mapping with a single spin scanning probe magnetometer\", Appl. Phys. Lett. 100, 153118 (2012). CrossRef J. P. Tetienne et al., \"Nanoscale imaging and control of domain-wall hopping with a nitrogen-vacancy center microscope\", Science 344, 1366 (2014). CrossRef R. Nelz et al., \"Color center fluorescence and spin manipulation in single crystal, pyramidal diamond tips\", Appl. Phys. Lett. 109, 193105 (2016). CrossRef G. Balasubramanian et al., \"Nanoscale imaging magnetometry with diamond spins under ambient conditions\", Nature 455, 648 (2008). CrossRef P. Maletinsky et al., \"A robust scanning diamond sensor for nanoscale imaging with single nitrogen-vacancy centres\", Nat. nanotechnol. 7, 320 (2012). CrossRef L. Thiel et al., \"Quantitative nanoscale vortex imaging using a cryogenic quantum magnetometer\", Nat. nanotechnol. 11, 677 (2016). CrossRef F. Jelezko et al., \"Single spin states in a defect center resolved by optical spectroscopy\", Appl. Phys. Lett. 81, 2160 (2002). CrossRef M. W. Doherty et al., \"The nitrogen-vacancy colour centre in diamond\", Phys. Rep. 528, 1 (2013). CrossRef C. Kurtsiefer, S. Mayer, P. Zarda, H. Weinfurter, \"Stable Solid-State Source of Single Photons\", Phys. Rev. Lett. 85, 290 (2000). CrossRef A. Gruber, A. Dräbenstedt, C. Tietz, L. Fleury, J. Wrachtrup, C. Von Borczyskowski, \"Scanning Confocal Optical Microscopy and Magnetic Resonance on Single Defect Centers\", Science 276, 2012 (1997). CrossRef F. Dolde et al., \"Electric-field sensing using single diamond spins\", Nat. Phys. 7, 459 (2011). CrossRef K. Sasaki","PeriodicalId":20055,"journal":{"name":"Photonics Letters of Poland","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44110719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The author presents the problems related to pulse oximetry, taking into account both the current state-of-the-art as well as her own long-standing experience in this field. The COVID-19 pandemic continues and has raised interest in home application of pulse oximeters due to their potential benefit, which may be warning of a drop in blood oxygenation due to lower respiratory capacity. However, it should be emphasized that these devices have limitations, both of a physiological and technical nature, and some problems related to the reliability and scope of the measurements still remain unresolved. Phenomena which limit processing reliability of the quantity to be sensed, i.e., the oxygen saturation SaO2%, are presented. Specific groups of affecting factors are distinguished in an approach of their contribution to the measurement uncertainty components. Full Text: PDF References J.W. Severinghaus, "Crediting six discoverers of oxygen", Adv. Exp. Med. Biol. 812 (2014). CrossRef F.A. Duck, "Physical properties of tissue: a comprehensive reference book" (San Diego, Academia Press 1990). CrossRef J.G. Webster, "Design of pulse oximeters" (Bristol, IOP Publishing Ltd 1997). CrossRef A.A. Alian and K.H Shelley, "Photoplethysmography", Anesthesiology 28, 4 (2014). CrossRef N. Moukaddam and A. Shah, "Psychiatrists beware! The impact of COVID-19 and pandemics on mental health", Psychiatric Times 37, 3 (2020). CrossRef S.S. Morse, Proc Nat. Acad Sci 104, 18 (2007). CrossRef W.A. Schrading, B. McCafferty, J. Grove, and D.B. Page, "Portable, consumer‐grade pulse oximeters are accurate for home and medical use: Implications for use in the COVID‐19 pandemic and other resource‐limited environments", JACP Open, 1 (2020). CrossRef K.E.J. Philip, B. Bennet, S. Fuller, et al., "Working accuracy of pulse oximetry in COVID-19 patients stepping down from intensive care: a clinical evaluation ", BMJ Open Resp. Res. 7 (2020). CrossRef S. Seifi, A. Khatony, G. Moradi, A. Abdi, and F. Najafi, "Accuracy of pulse oximetry in detection of oxygen saturation in patients admitted to the intensive care unit of heart surgery: comparison of finger, toe, forehead and earlobe probes", BMC Nursing 17, 15 (2018). CrossRef A. Cysewska-Sobusiak, "A modern approach to the determination of expanded uncertainty in noninvasive blood oximetry", Measurement 25 (1999). CrossRef A. Cysewska-Sobusiak, "The importance of the combined teaching and research work in the education of biomedical engineering", Biocybernetics and Biomedical Engineering 22, 4 (2002). CrossRef A. Cysewska-Sobusiak, "Noninvasive optoelectronic monitoring of the living tissues vitality", 3rd Int. Workshop on Robot Motion and Control, Nov. 2002 (2002). CrossRef A. Cysewska-Sobusiak, "Examples of acquisition and application of biooptical signals", Phot. Lett. Poland 11, 2 (2019). CrossRef
{"title":"Problems with evaluating readings of pulse oximeters used at home during the ongoing COVID-19 pandemic","authors":"A. Cysewska-Sobusiak","doi":"10.4302/PLP.V13I1.1093","DOIUrl":"https://doi.org/10.4302/PLP.V13I1.1093","url":null,"abstract":"The author presents the problems related to pulse oximetry, taking into account both the current state-of-the-art as well as her own long-standing experience in this field. The COVID-19 pandemic continues and has raised interest in home application of pulse oximeters due to their potential benefit, which may be warning of a drop in blood oxygenation due to lower respiratory capacity. However, it should be emphasized that these devices have limitations, both of a physiological and technical nature, and some problems related to the reliability and scope of the measurements still remain unresolved. Phenomena which limit processing reliability of the quantity to be sensed, i.e., the oxygen saturation SaO2%, are presented. Specific groups of affecting factors are distinguished in an approach of their contribution to the measurement uncertainty components. Full Text: PDF References J.W. Severinghaus, \"Crediting six discoverers of oxygen\", Adv. Exp. Med. Biol. 812 (2014). CrossRef F.A. Duck, \"Physical properties of tissue: a comprehensive reference book\" (San Diego, Academia Press 1990). CrossRef J.G. Webster, \"Design of pulse oximeters\" (Bristol, IOP Publishing Ltd 1997). CrossRef A.A. Alian and K.H Shelley, \"Photoplethysmography\", Anesthesiology 28, 4 (2014). CrossRef N. Moukaddam and A. Shah, \"Psychiatrists beware! The impact of COVID-19 and pandemics on mental health\", Psychiatric Times 37, 3 (2020). CrossRef S.S. Morse, Proc Nat. Acad Sci 104, 18 (2007). CrossRef W.A. Schrading, B. McCafferty, J. Grove, and D.B. Page, \"Portable, consumer‐grade pulse oximeters are accurate for home and medical use: Implications for use in the COVID‐19 pandemic and other resource‐limited environments\", JACP Open, 1 (2020). CrossRef K.E.J. Philip, B. Bennet, S. Fuller, et al., \"Working accuracy of pulse oximetry in COVID-19 patients stepping down from intensive care: a clinical evaluation \", BMJ Open Resp. Res. 7 (2020). CrossRef S. Seifi, A. Khatony, G. Moradi, A. Abdi, and F. Najafi, \"Accuracy of pulse oximetry in detection of oxygen saturation in patients admitted to the intensive care unit of heart surgery: comparison of finger, toe, forehead and earlobe probes\", BMC Nursing 17, 15 (2018). CrossRef A. Cysewska-Sobusiak, \"A modern approach to the determination of expanded uncertainty in noninvasive blood oximetry\", Measurement 25 (1999). CrossRef A. Cysewska-Sobusiak, \"The importance of the combined teaching and research work in the education of biomedical engineering\", Biocybernetics and Biomedical Engineering 22, 4 (2002). CrossRef A. Cysewska-Sobusiak, \"Noninvasive optoelectronic monitoring of the living tissues vitality\", 3rd Int. Workshop on Robot Motion and Control, Nov. 2002 (2002). CrossRef A. Cysewska-Sobusiak, \"Examples of acquisition and application of biooptical signals\", Phot. Lett. Poland 11, 2 (2019). CrossRef","PeriodicalId":20055,"journal":{"name":"Photonics Letters of Poland","volume":"13 1","pages":"19-21"},"PeriodicalIF":0.6,"publicationDate":"2021-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46120088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The analytical expression for the group index in a degenerated three-level lambda-type atomic system is derived as a function of the parameters of laser fields and external magnetic field. The influence of the external magnetic field on the group index is investigated. It is shown that by changing the magnitude or sign of the external magnetic field, the transparency window with normal dispersion switches to enhanced absorption with anomalous dispersion at the line center and hence the light propagation can be converted between subluminal and superluminal modes. Full Text: PDF ReferencesR. W. Boyd, "Slow and fast light: fundamentals and applications", J. Mod. Opt. 56 (2009) 1908-1915 CrossRef K.J. Boller, A. Imamoglu, S.E. Harris, "Observation of electromagnetically induced transparency", Phys. Rev. Lett. 66 (1991) 2593. CrossRef A. Lezama, S. Barreiro, and A. M. Akulshin, "Electromagnetically induced absorption", Phys. Rev. A 59 (1999) 4732-4735. CrossRef L. V. Hau, S. E. Harris, Z. Dutton, C. H. Bejroozi, "Light speed reduction to 17 metres per second in an ultracold atomic gas", Nature 397, 594 (1999) CrossRef L. J. Wang, A. Kuzmich, and A. Dogariu, "Gain-assisted superluminal light propagation", Nature 406 (6793), 277-279 (2000) CrossRef A. V. Turukhin, V. S. Sudarshanam, M. S. Shahriar, J. A. Musser, B. S. Ham, P. R. Hammer, "Observation of Ultraslow and Stored Light Pulses in a Solid", Phys. Rev. Lett. 88, 023602 (2002). CrossRef K. Bencheikh, E. Baldit, S. Briaudeau, P. Monnier, J. A. Levenson, and G. Mélin, "Slow light propagation in a ring erbium-doped fiber", Opt. Express 18 (25), 25642-25648 (2010). CrossRef E. E. Mikhailov, V. A. Sautenkov, I. Novikova, G. R. Welch, "Large negative and positive delay of optical pulses in coherently prepared dense Rb vapor with buffer gas", Phys. Rev. A 69, 063808 (2004). CrossRef E. E. Mikhailov, V. A. Sautenkov, Y. V. Rostovtsev, G.R. Welch, "Absorption resonance and large negative delay in rubidium vapor with a buffer gas", J. Opt. Soc. Am. B 21, 425 (2004). CrossRef A. M Akulshin and R. J McLean, "Fast light in atomic media", J. Opt. 12 (2010) 104001. CrossRef Vineet Bharti, Vasant Natarajan, "Sub- and super-luminal light propagation using a Rydberg state", Opt. Comm. 392 (2017) 180-184. CrossRef N.T. Anh, L.V. Doai, D.H. Son, and N.H. Bang, "Manipulating multi-frequency light in a five-level cascade EIT medium under Doppler broadening", Optik 171 (2018) 721-727. CrossRef N.T. Anh, L.V. Doai, and N.H. Bang, "Manipulating multi-frequency light in a five-level cascade-type atomic medium associated with giant self-Kerr nonlinearity", J. Opt. Soc. Am. B 35 (2018) 1233. CrossRef N.H. Bang, L.N.M. Anh, N.T. Dung and L.V. Doai, "Comparative Study of Light Manipulation in Three-Level Systems Via Spontaneously Generated Coherence and Relative Phase of Laser Fields*", Commun. Theor. Phys. 71 (2019) 947-954. CrossRef L.V. Doai, "The effect of giant Kerr nonlinearity on group velocity in a six-level inverted-Y
导出了简并三能级λ型原子体系的群指数与激光场参数和外加磁场参数的函数表达式。研究了外加磁场对群指数的影响。结果表明，通过改变外磁场的大小或符号，具有正常色散的透明窗口转换为具有线中心异常色散的增强吸收，从而实现光传播在亚光速模式和超光速模式之间的转换。全文:PDF。W. Boyd，“慢光和快光:基本原理和应用”，J. Mod. Opt. 56 (2009): 1998 -1915 CrossRef K.J. Boller, A. Imamoglu, S.E. Harris，“电磁感应透明的观测”，物理学报。Rev. Lett. 66(1991) 2593。CrossRef A. Lezama, S. Barreiro, A. M. Akulshin，“电磁感应吸收”，物理学报。Rev. A 59(1999) 4732-4735。CrossRef L. V. Hau, S. E. Harris, Z. Dutton, C. H. Bejroozi，“超冷原子气体中光速降低到每秒17米”，Nature 397, 594 (1999) CrossRef L. J. Wang, a . Kuzmich, a . Dogariu，“增益辅助超光速光传播”，Nature 406 (6793)， 277-279 (2000) CrossRef a . V. Turukhin, V. S. Sudarshanam, M. S. Shahriar, J. a . Musser, B. S. Ham, P. R. Hammer，“固体中超低光脉冲和存储光脉冲的观测”，physicsRev. Lett. 88, 023602(2002)。陈晓明，陈晓明，陈晓明，“光纤中掺铒光纤的光传输特性研究”，光学学报，18(4)，344 - 344(2010)。CrossRef E. E. Mikhailov, V. A. Sautenkov, I. Novikova, G. R. Welch，“具有缓冲气体的致密Rb蒸汽相干制备光脉冲的大负延迟和正延迟”，物理学报。修订A 69, 063808(2004)。引用E. E. Mikhailov, V. a . Sautenkov, Y. V. Rostovtsev, G.R. Welch，“缓冲气体对铷蒸气的吸收共振和大负延迟”，J.光学学报。点。B 21,425(2004)。引用本文:王晓明，王晓明，“原子介质中的快光”，光学学报，12(2010):10491。引用本文:陈晓明，陈晓明，“基于Rydberg态的超光速光传输”，光学学报，39(2017):180-184。引用本文:杨立涛，孙德辉，刘建军，“多普勒展宽下的多频光处理”，光学学报，2018，(7):721-727。[8]杨国强，刘建军，“一种具有超自克尔非线性的五能级级联型原子介质中多频光的控制”，光子学报。点。B 35(2018) 1233。* * * * * * * * * * * * * * * * * * * * *定理。物理学报，71(2019)947-954。张晓明，“六能级倒y原子体系中巨Kerr非线性对群速度的影响”，物理学报，95 (2020):035104 (7pp)。P. Kaur和A. Wasan，“磁场对Rb蒸汽中不均匀加宽多层能级Λ-system光学性质的影响”，欧洲。理论物理。J. d . 71 (2017)交叉参考程华，h -M。王，S. -S.张，P. P.。罗建平，辛建平。刘，“电磁诱导87Rb在磁场缓冲气池中的透明度”，物理学报。B:。生物医学工程学报，2016,35(5):555 - 557。陈建军，陈建军，陈建军，陈建军，陈建军，陈建军，陈建军，陈建军，陈建军，陈建军，陈建军，陈建军，陈建军，陈建军，陈建军，陈建军，陈建军，陈建军。S. H. Asadpour, H. R. Hamedi, H. R. Soleimani，“外磁场下石墨烯的慢光传输和双稳态开关”，激光物理。快报12(2015)045202。[CrossRef . Karimi, S. h. Asadpour, S. Batebi, h. R. Soleimani，“外加磁场作用下椭圆偏振光在四能级量子系统中的脉冲传输操纵”，物理学报。列托人。B 29(2015) 1550185。CrossRef
{"title":"Giant cross-Kerr nonlinearity in a four-level Y-type atomic system","authors":"N. Phu, N. H. Bang, Doai Van Le","doi":"10.4302/PLP.V13I1.1081","DOIUrl":"https://doi.org/10.4302/PLP.V13I1.1081","url":null,"abstract":"The analytical expression for the group index in a degenerated three-level lambda-type atomic system is derived as a function of the parameters of laser fields and external magnetic field. The influence of the external magnetic field on the group index is investigated. It is shown that by changing the magnitude or sign of the external magnetic field, the transparency window with normal dispersion switches to enhanced absorption with anomalous dispersion at the line center and hence the light propagation can be converted between subluminal and superluminal modes. Full Text: PDF ReferencesR. W. Boyd, \"Slow and fast light: fundamentals and applications\", J. Mod. Opt. 56 (2009) 1908-1915 CrossRef K.J. Boller, A. Imamoglu, S.E. Harris, \"Observation of electromagnetically induced transparency\", Phys. Rev. Lett. 66 (1991) 2593. CrossRef A. Lezama, S. Barreiro, and A. M. Akulshin, \"Electromagnetically induced absorption\", Phys. Rev. A 59 (1999) 4732-4735. CrossRef L. V. Hau, S. E. Harris, Z. Dutton, C. H. Bejroozi, \"Light speed reduction to 17 metres per second in an ultracold atomic gas\", Nature 397, 594 (1999) CrossRef L. J. Wang, A. Kuzmich, and A. Dogariu, \"Gain-assisted superluminal light propagation\", Nature 406 (6793), 277-279 (2000) CrossRef A. V. Turukhin, V. S. Sudarshanam, M. S. Shahriar, J. A. Musser, B. S. Ham, P. R. Hammer, \"Observation of Ultraslow and Stored Light Pulses in a Solid\", Phys. Rev. Lett. 88, 023602 (2002). CrossRef K. Bencheikh, E. Baldit, S. Briaudeau, P. Monnier, J. A. Levenson, and G. Mélin, \"Slow light propagation in a ring erbium-doped fiber\", Opt. Express 18 (25), 25642-25648 (2010). CrossRef E. E. Mikhailov, V. A. Sautenkov, I. Novikova, G. R. Welch, \"Large negative and positive delay of optical pulses in coherently prepared dense Rb vapor with buffer gas\", Phys. Rev. A 69, 063808 (2004). CrossRef E. E. Mikhailov, V. A. Sautenkov, Y. V. Rostovtsev, G.R. Welch, \"Absorption resonance and large negative delay in rubidium vapor with a buffer gas\", J. Opt. Soc. Am. B 21, 425 (2004). CrossRef A. M Akulshin and R. J McLean, \"Fast light in atomic media\", J. Opt. 12 (2010) 104001. CrossRef Vineet Bharti, Vasant Natarajan, \"Sub- and super-luminal light propagation using a Rydberg state\", Opt. Comm. 392 (2017) 180-184. CrossRef N.T. Anh, L.V. Doai, D.H. Son, and N.H. Bang, \"Manipulating multi-frequency light in a five-level cascade EIT medium under Doppler broadening\", Optik 171 (2018) 721-727. CrossRef N.T. Anh, L.V. Doai, and N.H. Bang, \"Manipulating multi-frequency light in a five-level cascade-type atomic medium associated with giant self-Kerr nonlinearity\", J. Opt. Soc. Am. B 35 (2018) 1233. CrossRef N.H. Bang, L.N.M. Anh, N.T. Dung and L.V. Doai, \"Comparative Study of Light Manipulation in Three-Level Systems Via Spontaneously Generated Coherence and Relative Phase of Laser Fields*\", Commun. Theor. Phys. 71 (2019) 947-954. CrossRef L.V. Doai, \"The effect of giant Kerr nonlinearity on group velocity in a six-level inverted-Y","PeriodicalId":20055,"journal":{"name":"Photonics Letters of Poland","volume":"31 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71094831","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
D. Nguyen, L. C. Trung, Pham Thi Hoai Duong, T. C. Phong
{"title":"Parametric resonance of acoustic and optical phonons in GaAs/GaAsAl quantum well in the presence of laser field","authors":"D. Nguyen, L. C. Trung, Pham Thi Hoai Duong, T. C. Phong","doi":"10.4302/PLP.V13I1.1051","DOIUrl":"https://doi.org/10.4302/PLP.V13I1.1051","url":null,"abstract":"","PeriodicalId":20055,"journal":{"name":"Photonics Letters of Poland","volume":"13 1","pages":"7"},"PeriodicalIF":0.6,"publicationDate":"2021-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42303687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The linearization of the relationship between scene luminance and digital camera output levels","authors":"E. Czech, D. Czyżewski","doi":"10.4302/PLP.V13I1.1086","DOIUrl":"https://doi.org/10.4302/PLP.V13I1.1086","url":null,"abstract":"","PeriodicalId":20055,"journal":{"name":"Photonics Letters of Poland","volume":"13 1","pages":"16"},"PeriodicalIF":0.6,"publicationDate":"2021-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47594179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
D. T. Nguyen, L. C. Trung, N. D. Cuong, Ho Dinh Quang, D. X. Khoa, N. Phu, C. V. Lanh, Nguyen Thanh Vinh, D. T. Thuy, B. D. Thuan
The refractive index of a methanol-water mixture depending on the wavelength at different concentrations was determined by our experimental method using a Michelson interferometer system. A comparative study of Gladstone-Dale, Arago–Biot and Newton relations for predicting the refractive index of a liquid has been carried out to test their validity for the methanol-water mixture with different concentrations: 30%, 40%, 50%, 60%, 80%, and 100%. The comparison shows a good agreement between our experimental results and the results in the expressions studied over a wavelength range approximately from 450 to 850 nm. Accurate knowledge of the refractive index of a mixture has great relevance in theoretical and applied areas of research. In many instances, refractive index data for liquids cannot be found in reference papers and must be measured as needed [1÷5]. Therefore, a costeffective method that also provides high accuracy would apply in practice. Measurements of the refractive index of liquid mixtures are essential to determine the composition of binary mixtures, usually for non-ideal mixtures in which direct experimental measurements are made. Most empirical methods for calculating redundant properties are an attempt to explain non-ideality of intermolecular interactions. Finding a small difference in the refractive index of a mixture is often more important than the absolute value of the index itself and these differences cannot be accurately measured by traditional methods [6]. There are several techniques for determining the refractive index of liquids. Among them, we often determine the minimum deviation angle of a light ray passing through the liquid contained in a triangular cell, which is often used [7]. This method has been found to be a relatively simple way of obtaining the refractive index of liquid mixtures where high accuracy is not required. In the present paper a modified Michelson interferometer is described, which has been employed for measuring the refractive indices of liquids [8÷11]. The aim of this paper is to extend the use of a Michelson interferometer system for measuring directly refractive index of the methanol – water mixture of known thickness. We present a wide spectral interferometric technique employing a lowresolution spectrometer for dispersion measurement of t the group refractive indices of liquids over the * E-mail: thuanbd@vinhuni.edu.vn wavelength range approximately from 450 to 850 nm. In the next step we compare the measured results with theoretical models, as known in the works [12÷14]. The refractive index of a binary mixture is defined by one of the equations: the Gladstone-Dale relation is used for optical analysis of a liquid, for use in fluid dynamics. The relation has also been used to calculate the refractive index. The Gladstone-Dale (G-D) equation for predicting the refractive index of a binary liquid mixture is as follows [12]: ( ) ( ) ( ) 1 1 2 2 1 1 1 . n n n − = − + − (1) Arago-Biot (A-
{"title":"Measuring the refractive index of a methanol - water mixture according to the wavelength","authors":"D. T. Nguyen, L. C. Trung, N. D. Cuong, Ho Dinh Quang, D. X. Khoa, N. Phu, C. V. Lanh, Nguyen Thanh Vinh, D. T. Thuy, B. D. Thuan","doi":"10.4302/PLP.V13I1.1058","DOIUrl":"https://doi.org/10.4302/PLP.V13I1.1058","url":null,"abstract":"The refractive index of a methanol-water mixture depending on the wavelength at different concentrations was determined by our experimental method using a Michelson interferometer system. A comparative study of Gladstone-Dale, Arago–Biot and Newton relations for predicting the refractive index of a liquid has been carried out to test their validity for the methanol-water mixture with different concentrations: 30%, 40%, 50%, 60%, 80%, and 100%. The comparison shows a good agreement between our experimental results and the results in the expressions studied over a wavelength range approximately from 450 to 850 nm. Accurate knowledge of the refractive index of a mixture has great relevance in theoretical and applied areas of research. In many instances, refractive index data for liquids cannot be found in reference papers and must be measured as needed [1÷5]. Therefore, a costeffective method that also provides high accuracy would apply in practice. Measurements of the refractive index of liquid mixtures are essential to determine the composition of binary mixtures, usually for non-ideal mixtures in which direct experimental measurements are made. Most empirical methods for calculating redundant properties are an attempt to explain non-ideality of intermolecular interactions. Finding a small difference in the refractive index of a mixture is often more important than the absolute value of the index itself and these differences cannot be accurately measured by traditional methods [6]. There are several techniques for determining the refractive index of liquids. Among them, we often determine the minimum deviation angle of a light ray passing through the liquid contained in a triangular cell, which is often used [7]. This method has been found to be a relatively simple way of obtaining the refractive index of liquid mixtures where high accuracy is not required. In the present paper a modified Michelson interferometer is described, which has been employed for measuring the refractive indices of liquids [8÷11]. The aim of this paper is to extend the use of a Michelson interferometer system for measuring directly refractive index of the methanol – water mixture of known thickness. We present a wide spectral interferometric technique employing a lowresolution spectrometer for dispersion measurement of t the group refractive indices of liquids over the * E-mail: thuanbd@vinhuni.edu.vn wavelength range approximately from 450 to 850 nm. In the next step we compare the measured results with theoretical models, as known in the works [12÷14]. The refractive index of a binary mixture is defined by one of the equations: the Gladstone-Dale relation is used for optical analysis of a liquid, for use in fluid dynamics. The relation has also been used to calculate the refractive index. The Gladstone-Dale (G-D) equation for predicting the refractive index of a binary liquid mixture is as follows [12]: ( ) ( ) ( ) 1 1 2 2 1 1 1 . n n n − = − + − (1) Arago-Biot (A-","PeriodicalId":20055,"journal":{"name":"Photonics Letters of Poland","volume":"13 1","pages":"10"},"PeriodicalIF":0.6,"publicationDate":"2021-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47606979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：