Pub Date : 2019-09-29DOI: 10.1364/ASSL.2019.JTU3A.27
N. Ter-Gabrielyan, V. Fromzel
We studied Q-switching at the 3 μm, assisted by CW lasing at the 1.7 μm and the gain-switched cascade lasing at the 1.6 μm. The former increases pulse energy, the latter allows increasing pulse frequency.
{"title":"3-μm Q-switch operation assisted by cascade lasing at 1.6 and 1.7 μm in Er-doped YLF","authors":"N. Ter-Gabrielyan, V. Fromzel","doi":"10.1364/ASSL.2019.JTU3A.27","DOIUrl":"https://doi.org/10.1364/ASSL.2019.JTU3A.27","url":null,"abstract":"We studied Q-switching at the 3 μm, assisted by CW lasing at the 1.7 μm and the gain-switched cascade lasing at the 1.6 μm. The former increases pulse energy, the latter allows increasing pulse frequency.","PeriodicalId":281724,"journal":{"name":"Laser Congress 2019 (ASSL, LAC, LS&C)","volume":"58 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":"122549362","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/LSC.2019.LTU4B.1
L. Maleki
Advances in photonics technology have extended applications of LiDAR, including autonomous cars. This application has specific requirements that are driving the LiDAR technology and photonic integrated chips. Recent advances will be discussed.
{"title":"Advances in LiDAR: The Autonomous Vehicle Perspective","authors":"L. Maleki","doi":"10.1364/LSC.2019.LTU4B.1","DOIUrl":"https://doi.org/10.1364/LSC.2019.LTU4B.1","url":null,"abstract":"Advances in photonics technology have extended applications of LiDAR, including autonomous cars. This application has specific requirements that are driving the LiDAR technology and photonic integrated chips. Recent advances will be discussed.","PeriodicalId":281724,"journal":{"name":"Laser Congress 2019 (ASSL, LAC, LS&C)","volume":"178 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":"131763214","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.11
V. Yahia, T. Taira
Gain aperture (GA) effect can simultaneously clean and amplify a laser beam. Calculations and experiments show that cm-size GA under 600W pump power can amplify laser up to 50 mJ keeping excellent beam quality.
{"title":"Study of Gain Aperture under High Pump Power for the Development of High-brightness Ultra-compact MOPA","authors":"V. Yahia, T. Taira","doi":"10.1364/ASSL.2019.JTH3A.11","DOIUrl":"https://doi.org/10.1364/ASSL.2019.JTH3A.11","url":null,"abstract":"Gain aperture (GA) effect can simultaneously clean and amplify a laser beam. Calculations and experiments show that cm-size GA under 600W pump power can amplify laser up to 50 mJ keeping excellent beam quality.","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":"132916879","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.ATH4A.3
J. Seres, E. Seres, C. Serrat, E. Young, J. Speck, T. Schumm
Using an enhancement cavity, a sub-Watt power Ti:sapphire femtosecond frequency comb is enhanced to 24 W and 3rd, 5th and 7th harmonics are generated in a non-perturbative manner on the surface of thin AlN layer.
{"title":"VUV Frequency Comb by Cavity-Enhanced High Harmonic Generation on Solid Surfaces","authors":"J. Seres, E. Seres, C. Serrat, E. Young, J. Speck, T. Schumm","doi":"10.1364/ASSL.2019.ATH4A.3","DOIUrl":"https://doi.org/10.1364/ASSL.2019.ATH4A.3","url":null,"abstract":"Using an enhancement cavity, a sub-Watt power Ti:sapphire femtosecond frequency comb is enhanced to 24 W and 3rd, 5th and 7th harmonics are generated in a non-perturbative manner on the surface of thin AlN layer.","PeriodicalId":281724,"journal":{"name":"Laser Congress 2019 (ASSL, LAC, LS&C)","volume":"73 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":"132234838","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/LSC.2019.LTH4B.6
A. Curcio, M. Petrarca
In this work, it is presented a diagnostic method for the simultaneous characterization of the electron plasma density and temperature based on the exploitation of wideband THz pulses. This method is of particular interest for many applications e.g. plasma-based accelerator, laser-produced plasma.
{"title":"Plasma diagnostic by Terahertz pulses","authors":"A. Curcio, M. Petrarca","doi":"10.1364/LSC.2019.LTH4B.6","DOIUrl":"https://doi.org/10.1364/LSC.2019.LTH4B.6","url":null,"abstract":"In this work, it is presented a diagnostic method for the simultaneous characterization of the electron plasma density and temperature based on the exploitation of wideband THz pulses. This method is of particular interest for many applications e.g. plasma-based accelerator, laser-produced plasma.","PeriodicalId":281724,"journal":{"name":"Laser Congress 2019 (ASSL, LAC, LS&C)","volume":"281 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":"134487388","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}
This report is focused on laser induced damages and mechanisms of different pulse compression gratings(PCG) including multilayer dielectric gratings, metal gratings and metal-multilayer dielectric gratings. And the potential of metal-multilayer dielectric gratings is analysed.
{"title":"Laser Induced Damage Study of Different Kinds of Gratings Used to Different High Power Pulse Width Compressed","authors":"YuhangHan, Fanyu Kong, Junming Chen, Yibing Zhang, Yonglu Wang, Yunxia Jin","doi":"10.1364/ASSL.2019.JW2A.8","DOIUrl":"https://doi.org/10.1364/ASSL.2019.JW2A.8","url":null,"abstract":"This report is focused on laser induced damages and mechanisms of different pulse compression gratings(PCG) including multilayer dielectric gratings, metal gratings and metal-multilayer dielectric gratings. And the potential of metal-multilayer dielectric gratings is analysed.","PeriodicalId":281724,"journal":{"name":"Laser Congress 2019 (ASSL, LAC, LS&C)","volume":"192 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":"133528984","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.ATH1A.1
A. Chambinaud, J. Pouysegur, M. Cormier, Alice Odier, F. Guichard, Y. Zaouter, Quentin Mocaer, C. Hönninger, E. Mottay
We present a high-power70W, sub-50fs, 400µJ source at 200 kHz. This source is based on the high-efficiency nonlinear compression of an industrial grade 100 W, 450 fs amplifier through a gas-filled multipass cell (MPC) scheme.
{"title":"Nonlinear compression of a 100 W amplifier to sub-50 fs","authors":"A. Chambinaud, J. Pouysegur, M. Cormier, Alice Odier, F. Guichard, Y. Zaouter, Quentin Mocaer, C. Hönninger, E. Mottay","doi":"10.1364/ASSL.2019.ATH1A.1","DOIUrl":"https://doi.org/10.1364/ASSL.2019.ATH1A.1","url":null,"abstract":"We present a high-power70W, sub-50fs, 400µJ source at 200 kHz. This source is based on the high-efficiency nonlinear compression of an industrial grade 100 W, 450 fs amplifier through a gas-filled multipass cell (MPC) scheme.","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":"130344704","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/LSC.2019.LTH4B.1
D. Allioux, B. Denolle, Gautier Trunet, P. Jian, O. Pinel, G. Labroille
We show that using Multi-Plan Light Conversion technique, we can implement a novel, passive turbulence-mitigating technique. We demultiplexe a perturbated wave-front on a limited number of spatial modes enables to highly increase the collected light.
{"title":"How to Mitigate Turbulence Without Adaptive Optics","authors":"D. Allioux, B. Denolle, Gautier Trunet, P. Jian, O. Pinel, G. Labroille","doi":"10.1364/LSC.2019.LTH4B.1","DOIUrl":"https://doi.org/10.1364/LSC.2019.LTH4B.1","url":null,"abstract":"We show that using Multi-Plan Light Conversion technique, we can implement a novel, passive turbulence-mitigating technique. We demultiplexe a perturbated wave-front on a limited number of spatial modes enables to highly increase the collected light.","PeriodicalId":281724,"journal":{"name":"Laser Congress 2019 (ASSL, LAC, LS&C)","volume":"56 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":"134473456","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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