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Improving the perovskite solar cell by insertion of methyl ammonium tin oxide and cesium tin chloride as absorber layers: scaps 1d study based on experimental studies 通过插入甲基氧化锡铵和氯化铯锡作为吸收层来改进过氧化物太阳能电池:基于实验研究的 scaps 1d 研究
Pub Date : 2024-07-02 DOI: 10.1007/s12596-024-01996-7
K. Dris, M. Benhaliliba, A. Ayeshamariam, A. Roy, K. Kaviyarasu
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引用次数: 1
Towards subwavelength pixels: Nanophotonic color routers for ultra-compact high-efficiency CMOS image sensors 迈向亚波长像素:用于超小型高效 CMOS 图像传感器的纳米光子色彩路由器
Pub Date : 2024-07-02 DOI: 10.1088/2040-8986/ad5dcc
Chan Y. Park, Sangbin Lee, Taeho Lee, Jiwon Kang, Jaehyun Jeon, Chaejin Park, Sanmun Kim, Haejun Chung, M. Jang
The proliferation of smartphones and the widespread use of camera modules necessitate CMOS image sensors with high pixel density. The recent competitive race to miniaturize pixels has enabled commercial CMOS sensors with submicron pixels to reach sizes as small as 0.5 μm. However, further downsizing towards subwavelength pixels faces fundamental challenges as the conventional focus-and-filter approach suffers from the diminishing focusing ability of conventional microlens arrays and optical efficiency constraints imposed by absorptive color filters. Nanophotonic color routers have emerged to overcome these challenges via efficient spatiospectral splitting, thereby directing incident light into corresponding pixels. In particular, recent developments in free-form device optimization methods enable the design of highly efficient color routers by exploring a large combinatorial design space, which was previously considered to be intractable with conventional design methods. In this review, we comprehensively introduce a multitude of research achievements in the field of nanophotonic color routers for CMOS image sensors with a special emphasis on their design methodologies.
随着智能手机的普及和相机模块的广泛应用,需要高像素密度的 CMOS 图像传感器。近来,像素微型化的竞争使亚微米像素的商用 CMOS 传感器尺寸小至 0.5 微米。然而,由于传统微透镜阵列的聚焦能力不断减弱以及吸收性彩色滤光片带来的光学效率限制,传统的聚焦和滤光方法在进一步缩小亚波长像素尺寸方面面临着根本性挑战。纳米光子色彩路由器的出现,通过高效的空间光谱分割克服了这些挑战,从而将入射光导入相应的像素。特别是自由形态器件优化方法的最新发展,使人们能够通过探索大型组合设计空间来设计高效彩色路由器,而这在以前被认为是传统设计方法难以解决的问题。在这篇综述中,我们全面介绍了 CMOS 图像传感器用纳米光子色彩路由器领域的众多研究成果,并特别强调了其设计方法。
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引用次数: 0
Dynamics of two degenerate three-level lasers oupled to vacuum reservoir 两个变性三电平激光器与真空贮槽的动态关系
Pub Date : 2024-07-02 DOI: 10.1007/s12596-024-01997-6
Fekadu Tolessa, M. Alemu, Birke Alemu
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引用次数: 0
Comparison of alternative gold nanoparticles (AuNPs) produced by laser ablation technique for photothermal therapy applications 比较激光烧蚀技术生产的用于光热疗法的替代金纳米粒子 (AuNPs)
Pub Date : 2024-07-01 DOI: 10.1007/s12596-024-01962-3
E. J. Khamees, O. Gençyılmaz
{"title":"Comparison of alternative gold nanoparticles (AuNPs) produced by laser ablation technique for photothermal therapy applications","authors":"E. J. Khamees, O. Gençyılmaz","doi":"10.1007/s12596-024-01962-3","DOIUrl":"https://doi.org/10.1007/s12596-024-01962-3","url":null,"abstract":"","PeriodicalId":509797,"journal":{"name":"Journal of Optics","volume":"25 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141710535","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}
引用次数: 0
Experimental realization of optical communication link with intensity degenerate orbital angular momentum beams 用强度退化轨道角动量光束实验实现光通信链路
Pub Date : 2024-07-01 DOI: 10.1007/s12596-024-01984-x
Chayanika Sharma, P. Badavath, Vijay Kumar
{"title":"Experimental realization of optical communication link with intensity degenerate orbital angular momentum beams","authors":"Chayanika Sharma, P. Badavath, Vijay Kumar","doi":"10.1007/s12596-024-01984-x","DOIUrl":"https://doi.org/10.1007/s12596-024-01984-x","url":null,"abstract":"","PeriodicalId":509797,"journal":{"name":"Journal of Optics","volume":"34 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141716098","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}
引用次数: 0
Deciphering the sensory landscape: a comparative analysis of fiber Bragg grating and strain gauge systems in structural health monitoring 解密感知图景:光纤布拉格光栅和应变仪系统在结构健康监测中的比较分析
Pub Date : 2024-07-01 DOI: 10.1007/s12596-024-02001-x
M. A. Ibrar Jahan, Rajini Honnungar, V. L. Nandhini, V. L. Malini, Harpreet Vohra, V. R. Balaji, Sandip Kumar Royc
{"title":"Deciphering the sensory landscape: a comparative analysis of fiber Bragg grating and strain gauge systems in structural health monitoring","authors":"M. A. Ibrar Jahan, Rajini Honnungar, V. L. Nandhini, V. L. Malini, Harpreet Vohra, V. R. Balaji, Sandip Kumar Royc","doi":"10.1007/s12596-024-02001-x","DOIUrl":"https://doi.org/10.1007/s12596-024-02001-x","url":null,"abstract":"","PeriodicalId":509797,"journal":{"name":"Journal of Optics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141705944","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}
引用次数: 0
Optical dromions with fractional temporal evolution by enhanced modified tanh expansion approach 通过增强型修正 tanh 扩展方法实现具有分数时间演化的光学二romions
Pub Date : 2024-07-01 DOI: 10.1007/s12596-024-01979-8
Muhammad Amin S. Murad, Mujahid Iqbal, A. H. Arnous, A. Biswas, Y. Yıldırım, A. Alshomrani
{"title":"Optical dromions with fractional temporal evolution by enhanced modified tanh expansion approach","authors":"Muhammad Amin S. Murad, Mujahid Iqbal, A. H. Arnous, A. Biswas, Y. Yıldırım, A. Alshomrani","doi":"10.1007/s12596-024-01979-8","DOIUrl":"https://doi.org/10.1007/s12596-024-01979-8","url":null,"abstract":"","PeriodicalId":509797,"journal":{"name":"Journal of Optics","volume":"59 6","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141713517","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}
引用次数: 0
Unveiling optical solitons in twin-core couplers with Kerr law of nonlinear refractive index using improved modified extended tanh function method 利用改进的修正扩展 tanh 函数法揭示具有非线性折射率克尔定律的双核耦合器中的光孤子
Pub Date : 2024-07-01 DOI: 10.1007/s12596-024-01971-2
Eman H. M. Abdullah, H. Ahmed, A. Zaghrout, Amal Ibrahim Ahmed Bahnasy, Wafaa B. Rabie
{"title":"Unveiling optical solitons in twin-core couplers with Kerr law of nonlinear refractive index using improved modified extended tanh function method","authors":"Eman H. M. Abdullah, H. Ahmed, A. Zaghrout, Amal Ibrahim Ahmed Bahnasy, Wafaa B. Rabie","doi":"10.1007/s12596-024-01971-2","DOIUrl":"https://doi.org/10.1007/s12596-024-01971-2","url":null,"abstract":"","PeriodicalId":509797,"journal":{"name":"Journal of Optics","volume":"116 19","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141713153","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}
引用次数: 0
Optical and structural characteristics of carbon quantum dots manufacturing by electrochemical method 电化学方法制造的碳量子点的光学和结构特征
Pub Date : 2024-07-01 DOI: 10.1007/s12596-024-02000-y
Nuha Salem Sultan, Omar Abdulsada Ali
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引用次数: 0
Asymmetric multi-image encoding and hiding scheme with structured fingerprint phase masks using gyrator transform and phase-shifting digital holography 使用回旋器变换和移相数字全息技术的结构化指纹相位掩码非对称多图像编码和隐藏方案
Pub Date : 2024-04-25 DOI: 10.1088/2040-8986/ad4373
Sonu Kumar Rao, N. Nishchal
We propose a novel technique for multi-image encryption and hiding scheme under optical asymmetric frame work using structured fingerprint phase masks in the gyrator transform domain and three-step phase-shifting digital holography. A structured fingerprint phase mask contains the unique features of fingerprint and structured phase of optical vortex beam, which provides higher security in the cryptosystem. In order to perform the encryption of multiple images, gyrator transform based phase truncation and phase reservation technique has been used in the first level of security whereas three step phase-shifting digital holography has been used to obtain the final ciphertext. This ciphertext is embedded in the host image to perform the watermarking process. In this process, the host is further decomposed into three parts in which anyone from the last two parts can be used for watermark embedding whereas first part is stored as key. The use of polar decomposition in the watermarking process provides additional layer for security. Numerical simulation and experimental results have been presented to support the proposed scheme.
我们提出了一种在光学非对称框架下利用回旋变换域结构化指纹相位掩模和三步移相数字全息技术进行多图像加密和隐藏的新技术。结构化指纹相位掩模包含指纹的独特特征和光学涡旋光束的结构化相位,可为密码系统提供更高的安全性。为了对多幅图像进行加密,在第一级安全中使用了基于回旋变换的相位截断和相位保留技术,并使用三步移相数字全息技术来获取最终的密码文本。该密码文本被嵌入到主机图像中,以执行水印处理。在此过程中,主机被进一步分解成三个部分,其中后两个部分中的任何人都可用于水印嵌入,而第一个部分则作为密钥存储。在水印处理过程中使用极性分解可提供额外的安全层。数字模拟和实验结果都支持所提出的方案。
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引用次数: 0
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Journal of Optics
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