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2020 International Conference Laser Optics (ICLO)最新文献

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Laser heterostructures with a broadened MQW waveguide for high-power and sub-ns-laser-pulse-width operation 用于高功率和亚ns激光脉宽工作的宽MQW波导激光异质结构
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285535
S. Slipchenko, A. Podoskin, V. Golovin, V. V. Shamakhov, I. N. Arsentiev, A. Bondarev, D. Nikolaev, N. Pikhtin, P. Kop’ev
{"title":"Laser heterostructures with a broadened MQW waveguide for high-power and sub-ns-laser-pulse-width operation","authors":"S. Slipchenko, A. Podoskin, V. Golovin, V. V. Shamakhov, I. N. Arsentiev, A. Bondarev, D. Nikolaev, N. Pikhtin, P. Kop’ev","doi":"10.1109/ICLO48556.2020.9285535","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285535","url":null,"abstract":"Design of a structure with QWs distributed in a broadened waveguide layer is presented, which ensures mode selection, preserves the fundamental mode, provides minimum difference of optical confinement factors between QWs for matching the threshold conditions. A peak optical power of 15 W is demonstrated with a pulse width of 80 ps.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125840935","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
Shaping optical microresonators on the surface of optical fibers with negative effective radius variations 在具有负有效半径变化的光纤表面塑造光学微谐振器
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285878
D. Krisanov, I. Vatnik, D. Churkin
{"title":"Shaping optical microresonators on the surface of optical fibers with negative effective radius variations","authors":"D. Krisanov, I. Vatnik, D. Churkin","doi":"10.1109/ICLO48556.2020.9285878","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285878","url":null,"abstract":"We proposed a new method for adjusting shape of microresonators on the surface of optical fibers to control the axial propagation of whispering gallery modes. The method comprises local heating of the fiber to the temperatures significantly smaller than the transformation temperature, that introduces negative variations of the refractive indexes.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"10 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126011071","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
Intra-articular photodynamic therapy mechanisms for osteoarthritis treatment 骨关节炎治疗的关节内光动力治疗机制
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285789
V. Makarov, T. A. Zharova, E. Kogan, M. M. Smorchkov, A. Lychagin, S. Ivannikov, N. Zharkov, V. Loschenov
{"title":"Intra-articular photodynamic therapy mechanisms for osteoarthritis treatment","authors":"V. Makarov, T. A. Zharova, E. Kogan, M. M. Smorchkov, A. Lychagin, S. Ivannikov, N. Zharkov, V. Loschenov","doi":"10.1109/ICLO48556.2020.9285789","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285789","url":null,"abstract":"This study focuses on investigation of intra-articular photodynamic therapy (PDT) mechanisms for osteoarthritis (OA) treatment. Also, a search for determination of the most effective dose of photosensitizer (PS) chlorine e6 (Ce6) for anti-inflammatory PDT of OA was carried out. It was found that to assess the PDT effectiveness in the treatment of OA accompanied by synovitis, it is sufficient to analyze for caspase-3 with the condition that the biopsy sample is taken 2-3 days after PDT. The results of the study on the efficacy of PDT with Photoditazin at various administered doses in the treatment of OA showed that 3.2 mg/kg PS dose (1 mg/kg for a human) is the most effective.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134564015","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
Reduction of Instabilities in Lithium Niobate Integrated Acousto-optic Frequency Shift Modulators 降低铌酸锂集成声光频移调制器的不稳定性
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285799
A. Varlamov, P. M. Agrusov, I. Il’ichev, V. Lebedev, A. Shamrai
{"title":"Reduction of Instabilities in Lithium Niobate Integrated Acousto-optic Frequency Shift Modulators","authors":"A. Varlamov, P. M. Agrusov, I. Il’ichev, V. Lebedev, A. Shamrai","doi":"10.1109/ICLO48556.2020.9285799","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285799","url":null,"abstract":"The influence of standing acoustic waves and parasitic traveling surface acoustic waves on instabilities of optical signals at the output of an integrated acousto-optic frequency shift modulators is considered. The method for signal stabilization is suggested and verified.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133956337","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
High-Power AlGaInN LEDs Operated Under High Pulsed Current Density (up to 7 kA/cm2) 高功率AlGaInN led在高脉冲电流密度下工作(高达7 kA/cm2)
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285562
A. Aladov, A. Chernyakov, A. Ivanov, A. L. Zakgeim, A. F. Tsatsulnikov
{"title":"High-Power AlGaInN LEDs Operated Under High Pulsed Current Density (up to 7 kA/cm2)","authors":"A. Aladov, A. Chernyakov, A. Ivanov, A. L. Zakgeim, A. F. Tsatsulnikov","doi":"10.1109/ICLO48556.2020.9285562","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285562","url":null,"abstract":"Current dependences efficiency, emission spectra, rise and fall time of 3 different design high-power blue LEDs have been investigated under extremely high pump current density up to 7 kA/cm2 and pulse duration 100 ns. Analysis of the pulse-behavior of the LEDs reveals revealed that the main droop in efficiency and a change in the spectrum occurs up to current densities of ~2kA/cm2 and have a non-thermal character. The rise and fall time are more than 20 ns due to the high capacitance of the LEDs.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"151 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133586532","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: 1
High-energy and high average power thin-rod and thin-tapered-rod Yb:YAG laser amplifiers 高能和高平均功率薄杆和薄锥杆Yb:YAG激光放大器
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285440
I. Kuznetsov, S. Chizhov, I. Mukhin, O. Palashov
{"title":"High-energy and high average power thin-rod and thin-tapered-rod Yb:YAG laser amplifiers","authors":"I. Kuznetsov, S. Chizhov, I. Mukhin, O. Palashov","doi":"10.1109/ICLO48556.2020.9285440","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285440","url":null,"abstract":"8 mJ pulse energy is achieved at the output of the thin-rod Yb:YAG laser amplifier at 1.5 kHz repetition rate that is more than 3 times surpasses the previous record for this geometry due to the higher quality of the crystal coatings. It is proposed to use thin-tapered-rod active elements for further energy scaling simultaneously with average power increasing and beam quality preserving.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"204 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133307232","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
Numerical Simulation of Highly-Efficient Fiber Laser Cavity Protective Coating for Environmental Noise Desensitization 高效光纤激光腔保护涂层环境噪声脱敏的数值模拟
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285394
A. Vlasov, E. A. Motorin, A. N. Ashirov, A. Varlamov, A. Aleinik
{"title":"Numerical Simulation of Highly-Efficient Fiber Laser Cavity Protective Coating for Environmental Noise Desensitization","authors":"A. Vlasov, E. A. Motorin, A. N. Ashirov, A. Varlamov, A. Aleinik","doi":"10.1109/ICLO48556.2020.9285394","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285394","url":null,"abstract":"The influence of environmental acoustic vibrations on cavities of fiber lasers may significantly decrease their parameters. It is shown that protective coatings for desensitization of fiber laser cavities with efficiency up to -95 dB compared to the level of acoustic sensitivity of optical fiber with standard acrylate coating can be produced by application of composite multi-layer structures of different-type materials.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132296077","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
Image processing system of biological liquids for medical diagnostics 医学诊断用生物液体图像处理系统
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285502
M. Baranov, E. Velichko, E. Savchenko
{"title":"Image processing system of biological liquids for medical diagnostics","authors":"M. Baranov, E. Velichko, E. Savchenko","doi":"10.1109/ICLO48556.2020.9285502","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285502","url":null,"abstract":"In the work the image processing system for medical diagnostics in described. The existence of a correlation between some diseases and the geometric parameters of structures in biological films (blood serum, salivary fluid) is proved. To detect these structures and correlate their type and pathology, it is necessary to use methods of digital image processing. This article describes an image processing method for analyzing the geometric parameters of structures in films of biological fluids.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133180867","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
Lidar aircraft landing system 激光雷达飞机着陆系统
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/iclo48556.2020.9285407
B.Y. Karas, Leonid V. Smirnov, Andrey Lunev, A. Grishkanich
{"title":"Lidar aircraft landing system","authors":"B.Y. Karas, Leonid V. Smirnov, Andrey Lunev, A. Grishkanich","doi":"10.1109/iclo48556.2020.9285407","DOIUrl":"https://doi.org/10.1109/iclo48556.2020.9285407","url":null,"abstract":"This report discusses existing methods for unmanned landing of civil aircraft. Their main disadvantages and advantages are evaluated. A new method is proposed, which is based on the use of system-based lidar. The main purpose is to describe the possibility of using lidar to provide airports with an auto landing system. An assessment is made of the energy parameters of the lidar for sounding at a distance of over ten kilometers.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115194749","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
The Technique for QCLs Heating Dynamics Mesurements qcl热动力学测量技术
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285497
V. Dudelev, D. Mikhailov, A. Babichev, V. Mylnikov, A. Gladyshev, S. Losev, I. Novikov, A. Lyutetskiy, S. Slipchenko, N. Pikhtin, L. Karachinsky, A. Egorov, G. Sokolovskii
{"title":"The Technique for QCLs Heating Dynamics Mesurements","authors":"V. Dudelev, D. Mikhailov, A. Babichev, V. Mylnikov, A. Gladyshev, S. Losev, I. Novikov, A. Lyutetskiy, S. Slipchenko, N. Pikhtin, L. Karachinsky, A. Egorov, G. Sokolovskii","doi":"10.1109/ICLO48556.2020.9285497","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285497","url":null,"abstract":"The study presents a technique for measurement of heating dynamics of quantum-cascade laser active region at short pulsed pumping.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115202118","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: 1
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