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2018 International Conference Laser Optics (ICLO)最新文献

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Absorption of Ultrashort Laser Pulses on the Hydrogen Fluoride Molecule 超短激光脉冲对氟化氢分子的吸收
2018 International Conference Laser Optics (ICLO) Pub Date : 2018-06-01 DOI: 10.1109/LO.2018.8435257
V. Astapenko, A. Yakovets
{"title":"Absorption of Ultrashort Laser Pulses on the Hydrogen Fluoride Molecule","authors":"V. Astapenko, A. Yakovets","doi":"10.1109/LO.2018.8435257","DOIUrl":"https://doi.org/10.1109/LO.2018.8435257","url":null,"abstract":"The absorption of an ultrashort laser pulse (USP) by a HF molecule in the ground state is studied theoretically. The total probability of photoabsorption is calculated for all time to the action of ultrashort pulse. The dependence of the probability of absorption on the duration of the USP and its carrier frequency is analyzed.","PeriodicalId":175509,"journal":{"name":"2018 International Conference Laser Optics (ICLO)","volume":"148 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122477555","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
Generation of Electron Bunches by a Laser Pulse Crossing a Sharp Boundary of Plasma 激光脉冲穿越等离子体边界产生电子束
2018 International Conference Laser Optics (ICLO) Pub Date : 2018-06-01 DOI: 10.1109/LO.2018.8435735
S. Kuznetsov
{"title":"Generation of Electron Bunches by a Laser Pulse Crossing a Sharp Boundary of Plasma","authors":"S. Kuznetsov","doi":"10.1109/LO.2018.8435735","DOIUrl":"https://doi.org/10.1109/LO.2018.8435735","url":null,"abstract":"The formation of an electron bunch produced due to electron self-injection into a wake wave that is generated by a relativistic-intensity laser pulse propagating through a sharp boundary of semi-bounded plasma was studied in onedimensional geometry. Numerical simulation was performed which confirms the results of analytical consideration.","PeriodicalId":175509,"journal":{"name":"2018 International Conference Laser Optics (ICLO)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122696071","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
Passive detection of powerful laser radiation in the Earth’s atmosphere 被动探测地球大气层中强大的激光辐射
2018 International Conference Laser Optics (ICLO) Pub Date : 2018-06-01 DOI: 10.1109/LO.2018.8435743
V. Grigorievsky, V. Sadovnikov, A.V. Elbakidse, Y.A. Tesadov
{"title":"Passive detection of powerful laser radiation in the Earth’s atmosphere","authors":"V. Grigorievsky, V. Sadovnikov, A.V. Elbakidse, Y.A. Tesadov","doi":"10.1109/LO.2018.8435743","DOIUrl":"https://doi.org/10.1109/LO.2018.8435743","url":null,"abstract":"The possibility of locating high-power laser infrared radiation from space by passive lidars is discussed in the approximation of the isotropy of the Rayleigh scattering indicatrix of laser radiation.","PeriodicalId":175509,"journal":{"name":"2018 International Conference Laser Optics (ICLO)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131285729","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
Nondestructive examination of composite solids in millimeter wave range 复合固体毫米波无损检测
2018 International Conference Laser Optics (ICLO) Pub Date : 2018-06-01 DOI: 10.1109/LO.2018.8435583
G. Rogozhnikov
{"title":"Nondestructive examination of composite solids in millimeter wave range","authors":"G. Rogozhnikov","doi":"10.1109/LO.2018.8435583","DOIUrl":"https://doi.org/10.1109/LO.2018.8435583","url":null,"abstract":"Laser processing results are predictable in case of uniform structure of the material. Any inhomogeneity may lead to largescale deformations. There must be a real-time instrument to control the behavior of the material in harsh environment (particle clouds, plasma, gas flows, etc). Imaging in millimeter wave range has been studied as the possible way to solve the problem.","PeriodicalId":175509,"journal":{"name":"2018 International Conference Laser Optics (ICLO)","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131630330","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
Laser ablation of materials by femtosecond laser pulses in liquid media 液体介质中飞秒激光脉冲对材料的激光烧蚀
2018 International Conference Laser Optics (ICLO) Pub Date : 2018-06-01 DOI: 10.1109/LO.2018.8435807
D. Kochuev, K. Khorkov, A. Voznesenskaya, R. Chkalov, V. G. Prokoshev
{"title":"Laser ablation of materials by femtosecond laser pulses in liquid media","authors":"D. Kochuev, K. Khorkov, A. Voznesenskaya, R. Chkalov, V. G. Prokoshev","doi":"10.1109/LO.2018.8435807","DOIUrl":"https://doi.org/10.1109/LO.2018.8435807","url":null,"abstract":"The paper presents an investigation of the interaction of ultrashort laser pulses with various materials in liquid media. The configuration of the laboratory installation is presented, the processing conditions are also described. Physical mechanisms of the observed phenomena are considered, the achieved results are described.","PeriodicalId":175509,"journal":{"name":"2018 International Conference Laser Optics (ICLO)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126995316","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: 5
Pulsed Transverse Discharge CO2 Laser Mucosa Ablation for the Treatment of ENT Diseases 脉冲横向放电CO2激光粘膜消融治疗耳鼻喉科疾病
2018 International Conference Laser Optics (ICLO) Pub Date : 2018-06-01 DOI: 10.1109/LO.2018.8435755
N. Gorbatova, S. Nikiforov, Y. Simanovsky, A. Pento, A. Brynsev, K. Baranov, N. Starshova, S. Zolotov
{"title":"Pulsed Transverse Discharge CO2 Laser Mucosa Ablation for the Treatment of ENT Diseases","authors":"N. Gorbatova, S. Nikiforov, Y. Simanovsky, A. Pento, A. Brynsev, K. Baranov, N. Starshova, S. Zolotov","doi":"10.1109/LO.2018.8435755","DOIUrl":"https://doi.org/10.1109/LO.2018.8435755","url":null,"abstract":"Therapeutic effect with ENT diseases can be achieved removing the infected surface epithelial layer by laser ablation. To reduce adverse effects a CO2 laser with pulse duration below 20 μs is needed. The laser treatment significantly reduced bacteria content in the mucosa right after the procedure in 89% of 54 patients. After 6 months, 78% of patients had stable improvement.","PeriodicalId":175509,"journal":{"name":"2018 International Conference Laser Optics (ICLO)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121797104","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
Surface modification of ZnO for solar converters by NdYaG Laser NdYaG激光对太阳能转化器用ZnO表面的改性研究
2018 International Conference Laser Optics (ICLO) Pub Date : 2018-06-01 DOI: 10.1109/LO.2018.8435248
D. Redka, N. Mukhin, A. Grishkanich, E. Terukov, S. Hirsch
{"title":"Surface modification of ZnO for solar converters by NdYaG Laser","authors":"D. Redka, N. Mukhin, A. Grishkanich, E. Terukov, S. Hirsch","doi":"10.1109/LO.2018.8435248","DOIUrl":"https://doi.org/10.1109/LO.2018.8435248","url":null,"abstract":"Zinc oxide films are used as a photovoltaic transparent electrodes for current collection. They are a good substitute for expensive transparent electrodes on the basis of Indium tin oxide. The ZnO films fabricated with a certain morphology of the structure are able to act as a light diffuser. When passing through a layer of this material solar radiation quantum changes its trajectory, so dispersion of radiation occurs, which leads to an increase in the optical path of the particle in the photoactive structure.","PeriodicalId":175509,"journal":{"name":"2018 International Conference Laser Optics (ICLO)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128140632","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
PT-symmetric bound states in the continuum 连续体中的pt对称束缚态
2018 International Conference Laser Optics (ICLO) Pub Date : 2018-06-01 DOI: 10.1109/LO.2018.8435518
Y. Kartashov, C. Milián, V. Konotop, L. Torner
{"title":"PT-symmetric bound states in the continuum","authors":"Y. Kartashov, C. Milián, V. Konotop, L. Torner","doi":"10.1109/LO.2018.8435518","DOIUrl":"https://doi.org/10.1109/LO.2018.8435518","url":null,"abstract":"We show that 2D parity-time ($mathcal{P}$$mathcal{T}$)-symmetric structure built as a chain of waveguides, where all waveguides except for the central one are conservative, while the central one is divided into two halves with gain and losses, admits bound states in the continuum (BICs) whose properties vary drastically with the orientation of the line separating amplifying and absorbing domains, which sets the direction of internal energy flow. When the flow is perpendicular to the waveguide chain, narrow BICs emerge when the defect mode located in the finite gap, collides with another mode in standard symmetry-breaking scenario and its eigenvalue enters the continuous spectrum upon increase of the strength of gain/losses. When the energy flow is parallel to the chain of the waveguides, the symmetry gets broken even for a small strength of the gain/losses. In that case, the most rapidly growing mode emerges inside the continuous spectrum and realizes a weakly localized BIC.","PeriodicalId":175509,"journal":{"name":"2018 International Conference Laser Optics (ICLO)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133598827","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
Modelling Subnanosecond Pulse Generation by a Two-Section Laser-Thyristor 用两段激光晶闸管模拟亚纳秒脉冲的产生
2018 International Conference Laser Optics (ICLO) Pub Date : 2018-06-01 DOI: 10.1109/LO.2018.8435847
V. Golovin, D. Romanovich, O. Soboleva, A. Podoskin, P. Gavrina, D. Veselov, N. V. Voronkova, S. Slipchenko, N. Pikhtin
{"title":"Modelling Subnanosecond Pulse Generation by a Two-Section Laser-Thyristor","authors":"V. Golovin, D. Romanovich, O. Soboleva, A. Podoskin, P. Gavrina, D. Veselov, N. V. Voronkova, S. Slipchenko, N. Pikhtin","doi":"10.1109/LO.2018.8435847","DOIUrl":"https://doi.org/10.1109/LO.2018.8435847","url":null,"abstract":"We have developed a theoretical model of lasing dynamics in a two-sectional laser-thyristor. We have demonstrated that it is possible to create short (∼2 ns) highcurrent pulses in a laser-thyristor. Our calculations imply that incorporating an unpumped section into the laser resonator allows to generate subnanosecond (∼30 ps full width at half maximum) high-power (∼100 W peak power) laser pulses.","PeriodicalId":175509,"journal":{"name":"2018 International Conference Laser Optics (ICLO)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133991398","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
Non-contact laser speckle anemometry of microcirculatory bloodstream 非接触式激光散斑微循环血流测量
2018 International Conference Laser Optics (ICLO) Pub Date : 2018-06-01 DOI: 10.1109/LO.2018.8435854
O. Golovan, E. Velichko, M. Baranov, E. Aksenov
{"title":"Non-contact laser speckle anemometry of microcirculatory bloodstream","authors":"O. Golovan, E. Velichko, M. Baranov, E. Aksenov","doi":"10.1109/LO.2018.8435854","DOIUrl":"https://doi.org/10.1109/LO.2018.8435854","url":null,"abstract":"In the work the scheme of the differential sensor for non-invasive distant anemometry of microcirculatory bloodstream is described. The sensor is designed on base of the laser speckle theory. Some important parameters like maximal distance and time of measurement are calculated. Experimental results on blood speed determination are presented.","PeriodicalId":175509,"journal":{"name":"2018 International Conference Laser Optics (ICLO)","volume":"138 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131917426","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: 4
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