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XV International Conference on Pulsed Lasers and Laser Applications最新文献

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Synthesis and investigation of iron-doped manganese aluminate spinel nanopowders and ceramics 掺铁铝酸锰尖晶石纳米粉体及陶瓷的合成与研究
XV International Conference on Pulsed Lasers and Laser Applications Pub Date : 2021-12-02 DOI: 10.1117/12.2598558
V. Osipov, V. Shitov, V. Platonov, V. Solomonov, E. V. Tikhonov, A. Korsakov
{"title":"Synthesis and investigation of iron-doped manganese aluminate spinel nanopowders and ceramics","authors":"V. Osipov, V. Shitov, V. Platonov, V. Solomonov, E. V. Tikhonov, A. Korsakov","doi":"10.1117/12.2598558","DOIUrl":"https://doi.org/10.1117/12.2598558","url":null,"abstract":"The paper reports the results of initial research on the creating of a new laser active element based on manganese aluminate spinel. A technique for preparing iron-doped manganese aluminate spinel is described. Nanopowders with different Al/Mn ratios were obtained by laser ablation followed by vapor condensation in a carrier gas flow. It was found that the particles had an average size of 16.5 nm and a narrow (about 40 nm) size distribution. The compacts prepared from these nanopowders with a diameter of 14 mm and a thickness of 2 mm had a density of 50% of the theoretical one. The compacts were sintered in a vacuum at a temperature of 1300 °C for 3 hours. It is shown that to obtain a singlephase spinel, the molar ratio of Al/Mn cations in the nanopowder should be 1.2–1.75. The transmission spectra of the samples were measured and a transmission range of 2–8 μm and 5 absorption bands were found and the diagram of the lower levels of Fe 2+ was plotted.","PeriodicalId":372449,"journal":{"name":"XV International Conference on Pulsed Lasers and Laser Applications","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128118463","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
Simulation of the line profiles in the neon emission spectra in laser fields 激光场中氖发射光谱的谱线模拟
XV International Conference on Pulsed Lasers and Laser Applications Pub Date : 2021-12-02 DOI: 10.1117/12.2606692
E. Koryukina, V. Koryukin
{"title":"Simulation of the line profiles in the neon emission spectra in laser fields","authors":"E. Koryukina, V. Koryukin","doi":"10.1117/12.2606692","DOIUrl":"https://doi.org/10.1117/12.2606692","url":null,"abstract":"A computer simulation of the spectral line profiles of the neon atom in an alternating circularly polarized electric field is carried out. Calculations are performed within the framework of the unified theoretical approach based on numerical solution of the non-stationary Schrödinger equation. Simulation results make it possible to establish a number of regularities in the behavior of the neon spectral line profiles under changes in the electric field parameters. The resonance effects for the neon spectra in the electric field are investigated.","PeriodicalId":372449,"journal":{"name":"XV International Conference on Pulsed Lasers and Laser Applications","volume":"27 2-3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131407099","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
Multidisk laser amplifier with high pump power and cryogenic closed-loop cooling 高泵浦功率、低温闭环冷却的多盘激光放大器
XV International Conference on Pulsed Lasers and Laser Applications Pub Date : 2021-12-02 DOI: 10.1117/12.2604204
G. V. Kuptsov, V. Petrov, A. V. Laptev, A. Konovalova, V. Petrov
{"title":"Multidisk laser amplifier with high pump power and cryogenic closed-loop cooling","authors":"G. V. Kuptsov, V. Petrov, A. V. Laptev, A. Konovalova, V. Petrov","doi":"10.1117/12.2604204","DOIUrl":"https://doi.org/10.1117/12.2604204","url":null,"abstract":"The numerical three-dimensional non-stationary model based on balance equations and the thermal conductivity equation was used to study the dynamic of laser amplification process in Yb:YAG media. Characteristic curves for gain and optical phase difference are obtained, and it is shown that it is possible to minimize wavefront aberrations in amplified radiation while keeping high gain coefficient by choosing optimal pump parameters. Transversal doping profiles are proposed for decreasing of losses arising from amplified stimulated emission.","PeriodicalId":372449,"journal":{"name":"XV International Conference on Pulsed Lasers and Laser Applications","volume":"261 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133655132","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
Efficiency of the phasor plot approach for the analysis of the antimicrobial properties of nanoparticles using two-photon microscopy 双光子显微镜相量图法分析纳米颗粒抗菌性能的效率
XV International Conference on Pulsed Lasers and Laser Applications Pub Date : 2021-12-02 DOI: 10.1117/12.2616343
V. Nikolaev, D. Vrazhnov, A. Lozhkomoev
{"title":"Efficiency of the phasor plot approach for the analysis of the antimicrobial properties of nanoparticles using two-photon microscopy","authors":"V. Nikolaev, D. Vrazhnov, A. Lozhkomoev","doi":"10.1117/12.2616343","DOIUrl":"https://doi.org/10.1117/12.2616343","url":null,"abstract":"","PeriodicalId":372449,"journal":{"name":"XV International Conference on Pulsed Lasers and Laser Applications","volume":"32 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132026116","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
Luminescent and physiological indices of bean plants under the treatment of seeds with epibrassinolide 表油菜素内酯处理大豆植株的发光和生理指标
XV International Conference on Pulsed Lasers and Laser Applications Pub Date : 2021-12-02 DOI: 10.1117/12.2614036
O. A. Kalmatskaya, V. A. Karavaev, L. E. Gunar, Ekaterina I. Gunar
{"title":"Luminescent and physiological indices of bean plants under the treatment of seeds with epibrassinolide","authors":"O. A. Kalmatskaya, V. A. Karavaev, L. E. Gunar, Ekaterina I. Gunar","doi":"10.1117/12.2614036","DOIUrl":"https://doi.org/10.1117/12.2614036","url":null,"abstract":"The treatment of bean seeds with epibrassinolide (the preparation “Epin-Extra”) resulted in the increase in fluorescent parameter (FM−FT)/FT of plants grown from these seeds, indicating the increase in the photosynthetic activity of the plants. The treatment of bean seeds with epin led to the increase in chlorophyll content and also in the acceleration of plant growth. Fluorescence quenching after switching on the actinic light in experimental plants was faster than in control ones which may indicate increased adaptive capabilities of the photosynthetic apparatus.","PeriodicalId":372449,"journal":{"name":"XV International Conference on Pulsed Lasers and Laser Applications","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129628224","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
Front Matter: Volume 12086 前题:卷12086
XV International Conference on Pulsed Lasers and Laser Applications Pub Date : 2021-12-02 DOI: 10.1117/12.2625884
{"title":"Front Matter: Volume 12086","authors":"","doi":"10.1117/12.2625884","DOIUrl":"https://doi.org/10.1117/12.2625884","url":null,"abstract":"","PeriodicalId":372449,"journal":{"name":"XV International Conference on Pulsed Lasers and Laser Applications","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130572961","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 efficiency of THz wave generation in β-BBO under visible and IR fs pulse pump β-BBO在可见光和红外脉冲泵浦下产生太赫兹波的效率
XV International Conference on Pulsed Lasers and Laser Applications Pub Date : 2021-12-02 DOI: 10.1117/12.2613443
D. Lubenko, D. Ezhov, V. Losev
{"title":"The efficiency of THz wave generation in β-BBO under visible and IR fs pulse pump","authors":"D. Lubenko, D. Ezhov, V. Losev","doi":"10.1117/12.2613443","DOIUrl":"https://doi.org/10.1117/12.2613443","url":null,"abstract":"Potential efficiency of the THz wave generation by down-conversion of the visible emission in nonlinear β-BBO crystal is estimated. Eight types of interactions are found possible. Four interaction types were realized in the carried-out experiments. Optical damage threshold under fs pumping was estimated.","PeriodicalId":372449,"journal":{"name":"XV International Conference on Pulsed Lasers and Laser Applications","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121242828","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
Features of radiation mode structure of a controlled laser unstable two-mirror resonator with deformable mirror 可变形反射镜可控激光不稳定双镜谐振腔辐射模结构特征
XV International Conference on Pulsed Lasers and Laser Applications Pub Date : 2021-12-02 DOI: 10.1117/12.2605752
V. Kislov, E. N. Ofitserov
{"title":"Features of radiation mode structure of a controlled laser unstable two-mirror resonator with deformable mirror","authors":"V. Kislov, E. N. Ofitserov","doi":"10.1117/12.2605752","DOIUrl":"https://doi.org/10.1117/12.2605752","url":null,"abstract":"The main characteristics (power loss and selectivity, resonance radiation divergence) of a two-mirror unstable resonator with a variable geometric configuration are investigated in the diffraction approximation based on the Fox-Lee equations. A cavity of an unstable confocal geometric configuration was adopted as a basic. At that, the control of the configuration of the resonator and resonance radiation is realized by deforming one of the mirrors (either a concave reflector or a convex counter-reflector). In this work, a comparative analysis of the active resonators characteristics with a deformable reflector and a deformable counter-reflector with the same functions of deformation is carried out. It is shown that, depending on the resonator specific technical parameters and the required power losses, the required concave reflector deformations amplitude in some cases is up to ~ 10% less than in the case of counter-reflector deformations. The mode selectivity of the considered active resonators is practically the same. The considered algorithms for controlling the shape of deformable mirrors make it possible to vary the resonator power losses and control the output laser radiation power over a wide range while maintaining the optical quality of radiation close to diffraction. The results of this work can be used to optimize the scheme and parameters of a laser with a controlled output radiation power.","PeriodicalId":372449,"journal":{"name":"XV International Conference on Pulsed Lasers and Laser Applications","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121923450","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
Yttrium-aluminum garnet ceramics with variable compositions for lighting applications 照明用可变成分钇铝石榴石陶瓷
XV International Conference on Pulsed Lasers and Laser Applications Pub Date : 2021-12-02 DOI: 10.1117/12.2616448
D. Valiev, V. Paygin, S. Stepanov, Oleg Dudarenko, M. Andryushchenko, M. Vasilev, A. Ilela, E. Dvilis
{"title":"Yttrium-aluminum garnet ceramics with variable compositions for lighting applications","authors":"D. Valiev, V. Paygin, S. Stepanov, Oleg Dudarenko, M. Andryushchenko, M. Vasilev, A. Ilela, E. Dvilis","doi":"10.1117/12.2616448","DOIUrl":"https://doi.org/10.1117/12.2616448","url":null,"abstract":"In present work, the luminescent YAG:Ce ceramics co-doped with variable compositions of rare earth ions (Dy, Tb, Eu) were obtained by uniaxial pressing methods. Comprehensive characterizations of the microstructure and phase composition of YAG ceramics has been carried out. Spectral-luminescent properties of sintered ceramics were investigated under different type of excitations. The temperature dependences of ceramics have been studied. It was revealed that when the YAG ceramics are heated in the temperature range of 0 – 150 C, a slight change in the photoluminescence intensity is observed. The highest temperature resistance is demonstrated by YAG:Ce, Dy, and ceramics, the least YAG:Ce, Tb.","PeriodicalId":372449,"journal":{"name":"XV International Conference on Pulsed Lasers and Laser Applications","volume":"120 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116023504","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
Radiation mode structure of a laser unstable confocal cavity with additional feedback using a semitransparent plane mirror 利用半透明平面镜研究具有附加反馈的激光不稳定共聚焦腔的辐射模结构
XV International Conference on Pulsed Lasers and Laser Applications Pub Date : 2021-12-02 DOI: 10.1117/12.2605748
V. Kislov, E. N. Ofitserov
{"title":"Radiation mode structure of a laser unstable confocal cavity with additional feedback using a semitransparent plane mirror","authors":"V. Kislov, E. N. Ofitserov","doi":"10.1117/12.2605748","DOIUrl":"https://doi.org/10.1117/12.2605748","url":null,"abstract":"","PeriodicalId":372449,"journal":{"name":"XV International Conference on Pulsed Lasers and Laser Applications","volume":"101 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131401253","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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