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2014 International Conference Laser Optics最新文献

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Numerical stability computation of ultrashort pulse generation in erbium fiber laser passively mode locked through nonlinear polarization rotation 铒光纤激光器非线性偏振旋转被动锁模产生超短脉冲的数值稳定性计算
2014 International Conference Laser Optics Pub Date : 2014-08-28 DOI: 10.1109/LO.2014.6886479
A. I. Baranov, D. Myasnikov
{"title":"Numerical stability computation of ultrashort pulse generation in erbium fiber laser passively mode locked through nonlinear polarization rotation","authors":"A. I. Baranov, D. Myasnikov","doi":"10.1109/LO.2014.6886479","DOIUrl":"https://doi.org/10.1109/LO.2014.6886479","url":null,"abstract":"Nowadays ultra-short pulse lasers are of the great interest in laser physics and material science. The popular scheme of ultra-short pulse fiber laser is based on nonlinear polarization rotation. However, the big drawback of this scheme is pulse generation dependence on resonator parameters. In our work, we have simulated process of pulse generation with different external parameters, such as dispersion, nonlinearity, birefringence, pump power and round-trip losses.","PeriodicalId":191027,"journal":{"name":"2014 International Conference Laser Optics","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133928628","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
Solid-state blue laser by nonlinear frequency conversion of 1.338-µm Nd:YAG laser radiation 采用非线性频率转换的固态蓝光激光器辐射1.338-µm Nd:YAG激光
2014 International Conference Laser Optics Pub Date : 2014-08-28 DOI: 10.1109/LO.2014.6886246
M. N. Ershkov, A. Gavrilov, S. A. Solokhin, S. Smetanin, A. O. Schukina, A. Fedin
{"title":"Solid-state blue laser by nonlinear frequency conversion of 1.338-µm Nd:YAG laser radiation","authors":"M. N. Ershkov, A. Gavrilov, S. A. Solokhin, S. Smetanin, A. O. Schukina, A. Fedin","doi":"10.1109/LO.2014.6886246","DOIUrl":"https://doi.org/10.1109/LO.2014.6886246","url":null,"abstract":"Solid-state blue-laser generation by nonlinear frequency conversion of the 1.338-μm Nd:YAG laser MOPA system is experimentally investigated. The 0.446-μm blue radiation is obtained by frequency-tripling technique as the frequency doubling (0.669 μm) with the sum-frequency oscillation (1.338 μm + 0.669 μm). The blue laser pulse output energy of 2 mJ with 20-ns duration and 2-% conversion efficiency is achieved allowing for laser power scaling.","PeriodicalId":191027,"journal":{"name":"2014 International Conference Laser Optics","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131030952","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
Improvement of light-current characteristic linearity in a quantum well laser with asymmetric barriers 具有非对称势垒的量子阱激光器中光电流特性线性度的改善
2014 International Conference Laser Optics Pub Date : 2014-08-28 DOI: 10.1109/LO.2014.6886293
F. Zubov, A. Zhukov, Y. Shernyakov, M. Maximov, N. Kryzhanovskaya, L. Asryan, E. Semenova, K. Yvind
{"title":"Improvement of light-current characteristic linearity in a quantum well laser with asymmetric barriers","authors":"F. Zubov, A. Zhukov, Y. Shernyakov, M. Maximov, N. Kryzhanovskaya, L. Asryan, E. Semenova, K. Yvind","doi":"10.1109/LO.2014.6886293","DOIUrl":"https://doi.org/10.1109/LO.2014.6886293","url":null,"abstract":"The effect of asymmetric barriers on the light-current characteristic (LCC) of a quantum well laser was studied theoretically and experimentally. It is shown that the utilization of asymmetric barriers in a waveguide prevents the nonlinearity of LCC and, consequently, allows rising of the maximum output power.","PeriodicalId":191027,"journal":{"name":"2014 International Conference Laser Optics","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132251702","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
Evolution of multi-mode emission from vertical-external-cavity surface-emitting lasers 垂直外腔面发射激光器多模发射的演化
2014 International Conference Laser Optics Pub Date : 2014-08-28 DOI: 10.1109/LO.2014.6886297
M. Wichmann, M. Shakfa, B. Heinen, A. Rahimi‐Iman, S. Koch, M. Koch, M. Scheller, J. Moloney
{"title":"Evolution of multi-mode emission from vertical-external-cavity surface-emitting lasers","authors":"M. Wichmann, M. Shakfa, B. Heinen, A. Rahimi‐Iman, S. Koch, M. Koch, M. Scheller, J. Moloney","doi":"10.1109/LO.2014.6886297","DOIUrl":"https://doi.org/10.1109/LO.2014.6886297","url":null,"abstract":"We present a systematic investigation of the longitudinal multi-mode emission in a vertical-external-cavity surface-emitting laser using both streak camera measurements and interferometric measurement techniques. We observe a steep increase of the emission bandwidth close to the laser threshold with only minor variances at higher pump powers. Additionally, we show that in our configurations the stability of a two-color emission process is linked to a sufficiently high number of longitudinal modes participating in the laser emission.","PeriodicalId":191027,"journal":{"name":"2014 International Conference Laser Optics","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114069245","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
Spectroscopic characterization of Eu3+:KY(WO4)2 laser crystal Eu3+:KY(WO4)2激光晶体的光谱表征
2014 International Conference Laser Optics Pub Date : 2014-08-28 DOI: 10.1109/LO.2014.6886243
P. Loiko, N. Kuleshov, K. Yumashev, V. Dashkevich, V. Orlovich, S. Bagaev, S. Vatnik, A. A. Pavlyuk
{"title":"Spectroscopic characterization of Eu3+:KY(WO4)2 laser crystal","authors":"P. Loiko, N. Kuleshov, K. Yumashev, V. Dashkevich, V. Orlovich, S. Bagaev, S. Vatnik, A. A. Pavlyuk","doi":"10.1109/LO.2014.6886243","DOIUrl":"https://doi.org/10.1109/LO.2014.6886243","url":null,"abstract":"Monoclinic Eu:KY(WO<sub>4</sub>)<sub>2</sub> laser crystals are grown by TSSG method; polarization-resolved absorption and stimulated-emission cross-section spectra are determined for this crystal. Spectroscopic properties are modeled within ASCI theory. Under UV excitation, Eu:KY(WO<sub>4</sub>)<sub>2</sub> provides intense red emission with CIE coordinates x = 0.670, y = 0.329.","PeriodicalId":191027,"journal":{"name":"2014 International Conference Laser Optics","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114295944","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
Monitoring of methane emissions in the Arctic by laser sensing to assess climate change 利用激光传感技术监测北极地区的甲烷排放，以评估气候变化
2014 International Conference Laser Optics Pub Date : 2014-08-28 DOI: 10.1109/LO.2014.6886389
A. Grishkanich, A. A. Buznikov, V. Elizarov, S. Kascheev, A. Zhevlakov
{"title":"Monitoring of methane emissions in the Arctic by laser sensing to assess climate change","authors":"A. Grishkanich, A. A. Buznikov, V. Elizarov, S. Kascheev, A. Zhevlakov","doi":"10.1109/LO.2014.6886389","DOIUrl":"https://doi.org/10.1109/LO.2014.6886389","url":null,"abstract":"Over the past 100 years, the rate of the temperature change in the Arctic increased almost twice compared to the average rate of warming on the Earth. (IPCC, 2007). It is necessary to use lidar methods for search and identification of methane from permafrost. We are developing Raman lidar for monitoring of methane hydrate emissions from the permafrost. Raman lidar with hyperspectral resolution would resolve the isotope shifts in the Stokes spectra, thereby to determine the isotopic composition of methane ratio C14/C12 CH4 carbon emissions and identify the source for study (permafrost or oil deposits).","PeriodicalId":191027,"journal":{"name":"2014 International Conference Laser Optics","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116496731","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: 8
Acoustic sensitivity of the negative curvature hollow core fiber 负曲率空心纤维的声灵敏度
2014 International Conference Laser Optics Pub Date : 2014-08-28 DOI: 10.1109/LO.2014.6886396
S. Turtaev, M. Belovolov, A. Levchenko, A. Kosolapov, A. Pryamikov, A. Kolyadin
{"title":"Acoustic sensitivity of the negative curvature hollow core fiber","authors":"S. Turtaev, M. Belovolov, A. Levchenko, A. Kosolapov, A. Pryamikov, A. Kolyadin","doi":"10.1109/LO.2014.6886396","DOIUrl":"https://doi.org/10.1109/LO.2014.6886396","url":null,"abstract":"Acoustic sensitivity of the novel negative curvature hollow core fiber (NCHCF) has been investigated both experimentally and theoretically. The normalized response of NCHCF is shown to be 6 dB higher than in case of the conventional fiber.","PeriodicalId":191027,"journal":{"name":"2014 International Conference Laser Optics","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131876914","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: 2
Relativistic laser driven hot particles generation in undercritical pre-plasma of solid targets 固体靶下临界预等离子体中相对论激光驱动热粒子的产生
2014 International Conference Laser Optics Pub Date : 2014-08-28 DOI: 10.1109/LO.2014.6886347
I. Tsymbalov, K. Ivanov, S. Shulyapov, P. Ksenofontov, R. Volkov, A. Savel’ev, A. Brantov, V. Bychenkov
{"title":"Relativistic laser driven hot particles generation in undercritical pre-plasma of solid targets","authors":"I. Tsymbalov, K. Ivanov, S. Shulyapov, P. Ksenofontov, R. Volkov, A. Savel’ev, A. Brantov, V. Bychenkov","doi":"10.1109/LO.2014.6886347","DOIUrl":"https://doi.org/10.1109/LO.2014.6886347","url":null,"abstract":"Summary form only given: The appreciable enhancement of relativistic plasma parameters (hot electron generation and hard X-Ray yield) by controlling the pre-plasma scalelength with complementary laser pulse is demonstrated. Experimental data and numerical simulation results are presented.","PeriodicalId":191027,"journal":{"name":"2014 International Conference Laser Optics","volume":"126 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132044608","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
Second harmonic generation in langasite crystal langasite晶体中二次谐波的产生
2014 International Conference Laser Optics Pub Date : 2014-08-28 DOI: 10.1109/LO.2014.6886254
P. Zverev, G. V. Shilova
{"title":"Second harmonic generation in langasite crystal","authors":"P. Zverev, G. V. Shilova","doi":"10.1109/LO.2014.6886254","DOIUrl":"https://doi.org/10.1109/LO.2014.6886254","url":null,"abstract":"The second order nonlinear susceptibility was measured in langasite crystal. It was found to be 7 times larger than that in quartz.","PeriodicalId":191027,"journal":{"name":"2014 International Conference Laser Optics","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133941889","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
Spiral waves in large aperture laser model 大孔径激光模型中的螺旋波
2014 International Conference Laser Optics Pub Date : 2014-08-28 DOI: 10.1109/LO.2014.6886506
A. Krents, D. A. Anchikov, N. Molevich, A. V. Pahomov
{"title":"Spiral waves in large aperture laser model","authors":"A. Krents, D. A. Anchikov, N. Molevich, A. V. Pahomov","doi":"10.1109/LO.2014.6886506","DOIUrl":"https://doi.org/10.1109/LO.2014.6886506","url":null,"abstract":"In this paper spontaneous formation of spiral waves in large aperture laser model has been reported. As a mathematical model the system of Maxwell-Bloch equations has been used. Linear stability and Floquet analyses were done. This analysis allows us to plot a bifurcation diagram and predict a characteristic size of exited spiral waves. Numerical simulations are in good according with theoretical analysis.","PeriodicalId":191027,"journal":{"name":"2014 International Conference Laser Optics","volume":"151 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133544765","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
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