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2010 International Conference on Advanced Optoelectronics and Lasers最新文献

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Optical soliton pulses with relativistic characteristics 具有相对论性特征的光孤子脉冲
2010 International Conference on Advanced Optoelectronics and Lasers Pub Date : 2010-11-11 DOI: 10.1109/CAOL.2010.5634278
G. S. McDonald, J. Christian, T. Hodgkinson
{"title":"Optical soliton pulses with relativistic characteristics","authors":"G. S. McDonald, J. Christian, T. Hodgkinson","doi":"10.1109/CAOL.2010.5634278","DOIUrl":"https://doi.org/10.1109/CAOL.2010.5634278","url":null,"abstract":"The slowly varying envelope approximation and the ensuing Galilean boost to a local time frame are near-universal features of conventional scalar pulse models. Here, we will give an overview of our recent progress with a new approach to nonlinear pulse modelling, which is based on a Helmholtz-type formalism.","PeriodicalId":254986,"journal":{"name":"2010 International Conference on Advanced Optoelectronics and Lasers","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114578765","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
Selected fundamental and applied problems of laser mode formation 选择激光模形成的基本问题和应用问题
2010 International Conference on Advanced Optoelectronics and Lasers Pub Date : 2010-11-11 DOI: 10.1109/CAOL.2010.5634266
V. Niziev
{"title":"Selected fundamental and applied problems of laser mode formation","authors":"V. Niziev","doi":"10.1109/CAOL.2010.5634266","DOIUrl":"https://doi.org/10.1109/CAOL.2010.5634266","url":null,"abstract":"Several problems are considered in this review. Using our dipole wave theory of diffraction the analytical formulas for diffraction from a narrow ring for different polarization were obtained. They were used in the new wave numerical model of an open resonator. A number of parameters of mode formation were investigated. It was shown that multipass geometrical “modes” win in competition with single pass Laguerre-Gaussian (LG) non-main modes during the relaxation oscillations. A method has been suggested for description of the azimuthally (A) and radially (R) polarized modes that excludes any inherent contradictions and unjustified approximations. It allows the analytical calculation of the field components for these modes, including the longitudinal one. Generation of high power beams with axial symmetric polarization in stable resonator of industrial CO2-laser with diffraction gratings has been realized. The transformation of azimuthally polarized mode to R-polarized mode was demonstrated. R-polarized beam was successfully used for cutting metal. The principal scheme based on a modified Sagnac interferometer was proposed and investigated experimentally. This external cavity technique was used for generation of R- and A-polarized laser beam.","PeriodicalId":254986,"journal":{"name":"2010 International Conference on Advanced Optoelectronics and Lasers","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127143794","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
Multipole model for metamaterial homogenization 超材料均质化的多极模型
2010 International Conference on Advanced Optoelectronics and Lasers Pub Date : 2010-11-11 DOI: 10.1109/CAOL.2010.5634257
A. Chipouline, J. Petschulat, C. Menzel, C. Rockstuhl, T. Pertsch, F. Lederer
{"title":"Multipole model for metamaterial homogenization","authors":"A. Chipouline, J. Petschulat, C. Menzel, C. Rockstuhl, T. Pertsch, F. Lederer","doi":"10.1109/CAOL.2010.5634257","DOIUrl":"https://doi.org/10.1109/CAOL.2010.5634257","url":null,"abstract":"Homogenization of optical metamaterials is one of the fundamental problems of electrodynamics of composite materials. Here the homogenization approach using multipole expansion is analysed and compared with the phenomenological one. Applications of the developed model for different structures and various phenomena are presented.","PeriodicalId":254986,"journal":{"name":"2010 International Conference on Advanced Optoelectronics and Lasers","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127171447","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
Nonlinear dynamics of spiraling laser beams 螺旋激光束的非线性动力学
2010 International Conference on Advanced Optoelectronics and Lasers Pub Date : 2010-11-11 DOI: 10.1109/CAOL.2010.5634255
A. Desyatnikov
{"title":"Nonlinear dynamics of spiraling laser beams","authors":"A. Desyatnikov","doi":"10.1109/CAOL.2010.5634255","DOIUrl":"https://doi.org/10.1109/CAOL.2010.5634255","url":null,"abstract":"Spiraling of laser beams in nonlinear media is one of the manifestations of optical orbital angular momentum (OAM). We explore unusual dynamics of spiraling spatial solitons, including stabilization of azimuthons and quasi-periodic transformations of nonlocal solitons, as well as contribution of OAM towards suppression of catastrophic self-focusing, or collapse, in Kerr media.","PeriodicalId":254986,"journal":{"name":"2010 International Conference on Advanced Optoelectronics and Lasers","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128145603","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
Symmetry-induced forces on phase singularities 相位奇点上的对称诱导力
2010 International Conference on Advanced Optoelectronics and Lasers Pub Date : 2010-11-11 DOI: 10.1109/CAOL.2010.5634253
A. Ferrando, M. Garcia-March
{"title":"Symmetry-induced forces on phase singularities","authors":"A. Ferrando, M. Garcia-March","doi":"10.1109/CAOL.2010.5634253","DOIUrl":"https://doi.org/10.1109/CAOL.2010.5634253","url":null,"abstract":"We show the existence of external forces acting on phase singularities whose origin can be attributed to the presence of short-term discrete-symmetry potentials. These special forces can break highly charged phase singularities into single-charged ones and provide them with non-zero orbital angular momentum even when the potential no longer acts.","PeriodicalId":254986,"journal":{"name":"2010 International Conference on Advanced Optoelectronics and Lasers","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125660037","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
Disc and microdisc resonators with strip-like diffraction gratings 带条形衍射光栅的圆盘和微圆盘谐振器
2010 International Conference on Advanced Optoelectronics and Lasers Pub Date : 2010-11-11 DOI: 10.1109/CAOL.2010.5634224
O. Belous, A. Fisun, V.L. Pasynin
{"title":"Disc and microdisc resonators with strip-like diffraction gratings","authors":"O. Belous, A. Fisun, V.L. Pasynin","doi":"10.1109/CAOL.2010.5634224","DOIUrl":"https://doi.org/10.1109/CAOL.2010.5634224","url":null,"abstract":"Impact of a diffraction grating on the spectrum of disc and microdisc resonator has been studied using FTDT method. Conditions of the single-mode excitation of whispering gallery mode of disc resonator was estimated.","PeriodicalId":254986,"journal":{"name":"2010 International Conference on Advanced Optoelectronics and Lasers","volume":"118 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131913327","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
Liquid crystal defects: Nonlinear optics and optical vortices 液晶缺陷:非线性光学和光学涡流
2010 International Conference on Advanced Optoelectronics and Lasers Pub Date : 2010-11-11 DOI: 10.1109/CAOL.2010.5634245
E. Brasselet
{"title":"Liquid crystal defects: Nonlinear optics and optical vortices","authors":"E. Brasselet","doi":"10.1109/CAOL.2010.5634245","DOIUrl":"https://doi.org/10.1109/CAOL.2010.5634245","url":null,"abstract":"Liquid crystals can self-assemble into various phases characterized by well-defined orientational ordering of their crystalline axis. Exception may happen at locations in space where the orientation is ill-defined, which correspond to liquid crystal defects. In addition, liquid crystals are well-known to be sensitive to external fields and light is no exception. In particular, Gaussian light beams can generate singular liquid crystal reorientation defects owing to the giant optical orientational nonlinearities. Such a singular optical reordering of liquid crystals can be used to generate light beams carrying on-axis phase singularity that are usually called optical vortices.","PeriodicalId":254986,"journal":{"name":"2010 International Conference on Advanced Optoelectronics and Lasers","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130358675","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
Space confinement of random lasing 随机激光的空间约束
2010 International Conference on Advanced Optoelectronics and Lasers Pub Date : 2010-11-11 DOI: 10.1109/CAOL.2010.5634233
V. P. Yashchuk, O. Prygodiuk
{"title":"Space confinement of random lasing","authors":"V. P. Yashchuk, O. Prygodiuk","doi":"10.1109/CAOL.2010.5634233","DOIUrl":"https://doi.org/10.1109/CAOL.2010.5634233","url":null,"abstract":"Lasing properties of dyed random media under different excited region size and the medium thickness were investigated. Random lasing threshold, spectrum wavelength and intensity are appreciably dependent both on the excited region size and the medium thickness. It proves both lengthwise and crosswise spatial confinement of random lasing.","PeriodicalId":254986,"journal":{"name":"2010 International Conference on Advanced Optoelectronics and Lasers","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130302762","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
A theorem for the propagation of electromagnetic waves through a multilayered structure consisting of left handed material and dielectric 电磁波通过由左旋材料和电介质组成的多层结构的传播定理
2010 International Conference on Advanced Optoelectronics and Lasers Pub Date : 2010-11-11 DOI: 10.1109/CAOL.2010.5634237
M. Ubeid, M. Shabat
{"title":"A theorem for the propagation of electromagnetic waves through a multilayered structure consisting of left handed material and dielectric","authors":"M. Ubeid, M. Shabat","doi":"10.1109/CAOL.2010.5634237","DOIUrl":"https://doi.org/10.1109/CAOL.2010.5634237","url":null,"abstract":"We prove the law of conservation of energy for propagation of electromagnetic waves through a multilayered structure consisting of LHM and dielectric slabs inserted in vacuum. Numerical method is presented to calculate the reflected and transmitted powers of the structure. The obtained results satisfy the law of conservation of energy.","PeriodicalId":254986,"journal":{"name":"2010 International Conference on Advanced Optoelectronics and Lasers","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133213562","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
Measuring surface distribution of narrowband radiation wavelength by colorimetric method 用比色法测量窄带辐射波长的表面分布
2010 International Conference on Advanced Optoelectronics and Lasers Pub Date : 2010-11-11 DOI: 10.1109/CAOL.2010.5634214
A. V. Kraiski, T. Mironova, T. Sultanov, V. A. Postnikov
{"title":"Measuring surface distribution of narrowband radiation wavelength by colorimetric method","authors":"A. V. Kraiski, T. Mironova, T. Sultanov, V. A. Postnikov","doi":"10.1109/CAOL.2010.5634214","DOIUrl":"https://doi.org/10.1109/CAOL.2010.5634214","url":null,"abstract":"We propose a method to measure the narrowband radiation wavelength when having a digital picture of the emitting surface. The accuracy of the wavelength determination is better then 1 nm. The method was tested with pictures of the Hg spectrum and with the continuous spectrum of the filament lamp. The degree of homogeneity of the holographic sensor swelling was studied by the method in the stationary case as well as in the non-stationary one.","PeriodicalId":254986,"journal":{"name":"2010 International Conference on Advanced Optoelectronics and Lasers","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131103710","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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