Pub Date : 2019-09-29DOI: 10.1364/ASSL.2019.ATU1A.8
E. Castellano‐Hernández, S. Kalusniak, C. Kränkel
We report on the first diode-pumped yellow laser operation of a Tb3+-laser. Without any nonlinear frequency conversion, the laser delivers 13.8 mW at a wavelength of 587.4 nm with a slope efficiency of 22%.
{"title":"Diode-pumped yellow laser emission of Tb3+:LiLuF4","authors":"E. Castellano‐Hernández, S. Kalusniak, C. Kränkel","doi":"10.1364/ASSL.2019.ATU1A.8","DOIUrl":"https://doi.org/10.1364/ASSL.2019.ATU1A.8","url":null,"abstract":"We report on the first diode-pumped yellow laser operation of a Tb3+-laser. Without any nonlinear frequency conversion, the laser delivers 13.8 mW at a wavelength of 587.4 nm with a slope efficiency of 22%.","PeriodicalId":281724,"journal":{"name":"Laser Congress 2019 (ASSL, LAC, LS&C)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131971034","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}
We will give an overview of our recent studies on the laser damage resistance of optical components, that was focused on reflective optics operating at 1030/1053nm wavelengths for 500fs to few ps pulses applications.
{"title":"Laser Damage of reflective optics in the sub-ps regime: physical mechanisms and technological issues","authors":"L. Gallais","doi":"10.1364/LAC.2019.CM2C.3","DOIUrl":"https://doi.org/10.1364/LAC.2019.CM2C.3","url":null,"abstract":"We will give an overview of our recent studies on the laser damage resistance of optical components, that was focused on reflective optics operating at 1030/1053nm wavelengths for 500fs to few ps pulses applications.","PeriodicalId":281724,"journal":{"name":"Laser Congress 2019 (ASSL, LAC, LS&C)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129983847","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":"Clinically Relevant Ultrafast Pulsed Laser Ablation of Ex Vivo Ovine Lung Tissue","authors":"Susan Fernandes, K. Ehrlich, K. Dhaliwal, R. Thomson","doi":"10.1364/ASSL.2019.JM5A.6","DOIUrl":"https://doi.org/10.1364/ASSL.2019.JM5A.6","url":null,"abstract":"Ultrafast pulsed lasers may enable minimally invasive lung cancer treatment. Femtosecond pulsed ablation of ovine lung tissue, characterised using microCT, demonstrated clinically relevant volume ablation rates, and potentially represents novel therapeutic modality in lung cancer.","PeriodicalId":281724,"journal":{"name":"Laser Congress 2019 (ASSL, LAC, LS&C)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131838000","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}
Pub Date : 2019-09-29DOI: 10.1364/ASSL.2019.JTH3A.48
K. Nithyanandan, A. Sharafali, P. Peterka
We study the role of sub-micron defect in the characteristics of fiber for potential nonlinear applications. Out of several geometries of fiber designs, we recognize that fiber with minimum positive dispersion along with a large nonlinearity is a potential candidate for continuum generation. Using the theory of soliton fission, we demonstrate the role of soliton self-frequency shift in the spectral broadening and an octave-spanning continuum in 1 m of defective core PCF is reported.
{"title":"A theoretical study on the continuum generation in a defective core photonic crystal fiber","authors":"K. Nithyanandan, A. Sharafali, P. Peterka","doi":"10.1364/ASSL.2019.JTH3A.48","DOIUrl":"https://doi.org/10.1364/ASSL.2019.JTH3A.48","url":null,"abstract":"We study the role of sub-micron defect in the characteristics of fiber for potential nonlinear applications. Out of several geometries of fiber designs, we recognize that fiber with minimum positive dispersion along with a large nonlinearity is a potential candidate for continuum generation. Using the theory of soliton fission, we demonstrate the role of soliton self-frequency shift in the spectral broadening and an octave-spanning continuum in 1 m of defective core PCF is reported.","PeriodicalId":281724,"journal":{"name":"Laser Congress 2019 (ASSL, LAC, LS&C)","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131183210","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}
Pub Date : 2019-09-29DOI: 10.1364/ASSL.2019.JM5A.28
M. Khudyakov, D. Lipatov, A. N. Gur'yanov, M. Bubnov, M. Likhachev
Novel configuration of fiber amplifier based on combining Er-doped Yb-free and Er-Ybcodoped fiber in single amplifier was realized. Peak power of 3.7 kW in 150 ns single-frequencypulses with differential efficiency of 23% was demonstrated.
{"title":"All fiber combined Er/Er-Yb amplifier for efficient amplification of high peak power single frequency pulses","authors":"M. Khudyakov, D. Lipatov, A. N. Gur'yanov, M. Bubnov, M. Likhachev","doi":"10.1364/ASSL.2019.JM5A.28","DOIUrl":"https://doi.org/10.1364/ASSL.2019.JM5A.28","url":null,"abstract":"Novel configuration of fiber amplifier based on combining Er-doped Yb-free and Er-Ybcodoped fiber in single amplifier was realized. Peak power of 3.7 kW in 150 ns single-frequencypulses with differential efficiency of 23% was demonstrated.","PeriodicalId":281724,"journal":{"name":"Laser Congress 2019 (ASSL, LAC, LS&C)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130746095","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}
Pub Date : 2019-09-29DOI: 10.1364/ASSL.2019.JTH3A.8
B. Ewers, A. Fischer, R. Lorbeer
We present a monolithic pump light geometry for compact thin disk lasers. Trapping of pump light within the laser medium is achieved by proper choice of dielectric coating and angle of the wedged laser disk.
{"title":"Compact monolithic pump light geometry for thin disk lasers","authors":"B. Ewers, A. Fischer, R. Lorbeer","doi":"10.1364/ASSL.2019.JTH3A.8","DOIUrl":"https://doi.org/10.1364/ASSL.2019.JTH3A.8","url":null,"abstract":"We present a monolithic pump light geometry for compact thin disk lasers. Trapping of pump light within the laser medium is achieved by proper choice of dielectric coating and angle of the wedged laser disk.","PeriodicalId":281724,"journal":{"name":"Laser Congress 2019 (ASSL, LAC, LS&C)","volume":"575 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133680051","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}
A Laser Doppler multi-beam differential vibration sensor which has low sensitivity to the motion of the sensor itself has been developed. The application of the sensor for vibration imaging of buried objects has been demonstrated.
{"title":"Laser Doppler Multi-Beam Differential Vibration Sensor for Acoustic Detection of Buried Objects","authors":"V. Aranchuk, I. Aranchuk, B. Carpenter, C. Hickey","doi":"10.1364/LSC.2019.LM4B.2","DOIUrl":"https://doi.org/10.1364/LSC.2019.LM4B.2","url":null,"abstract":"A Laser Doppler multi-beam differential vibration sensor which has low sensitivity to the motion of the sensor itself has been developed. The application of the sensor for vibration imaging of buried objects has been demonstrated.","PeriodicalId":281724,"journal":{"name":"Laser Congress 2019 (ASSL, LAC, LS&C)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132505680","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}
Pub Date : 2019-09-29DOI: 10.1364/ASSL.2019.AM2A.6
Shizhen Qu, Xiao Zou, Kun Liu, Wenkai Li, S. H. Luen, Qi Jie Wang, Ying Zhang, H. Liang
We report the first LiGaS2-based mid-IR OPCPA, delivering 13.8µJ, 10kHz, 145fs, 9µm pulses. A 5-mm thick KrS5 crystal is employed to further compress the pulse to the 45fs (1.5 cycle) pulse duration.
{"title":"Micro-joule, 10 kHz, sub-two-cycle, long wavelength mid-infrared laser source based on the 9 μm OPCPA","authors":"Shizhen Qu, Xiao Zou, Kun Liu, Wenkai Li, S. H. Luen, Qi Jie Wang, Ying Zhang, H. Liang","doi":"10.1364/ASSL.2019.AM2A.6","DOIUrl":"https://doi.org/10.1364/ASSL.2019.AM2A.6","url":null,"abstract":"We report the first LiGaS2-based mid-IR OPCPA, delivering 13.8µJ, 10kHz, 145fs, 9µm pulses. A 5-mm thick KrS5 crystal is employed to further compress the pulse to the 45fs (1.5 cycle) pulse duration.","PeriodicalId":281724,"journal":{"name":"Laser Congress 2019 (ASSL, LAC, LS&C)","volume":"72 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132576880","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}
Pub Date : 2019-09-29DOI: 10.1364/ASSL.2019.JTU3A.7
T. Hülsenbusch, T. Eichner, T. Lang, L. Winkelmann, I. Hartl, A. Maier
We present results of a white light seeded OPCPA, developed to seed a Ti:SA CPA system driving a laser-plasma accelerator. The development focuses on overall stability to extend long term operation of the drive laser.
{"title":"Experimental Results on an OPCPA Seed System for a Laser-Plasma Acceleration Drive Laser","authors":"T. Hülsenbusch, T. Eichner, T. Lang, L. Winkelmann, I. Hartl, A. Maier","doi":"10.1364/ASSL.2019.JTU3A.7","DOIUrl":"https://doi.org/10.1364/ASSL.2019.JTU3A.7","url":null,"abstract":"We present results of a white light seeded OPCPA, developed to seed a Ti:SA CPA system driving a laser-plasma accelerator. The development focuses on overall stability to extend long term operation of the drive laser.","PeriodicalId":281724,"journal":{"name":"Laser Congress 2019 (ASSL, LAC, LS&C)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115665917","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}
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