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2006 International Workshop on Laser and Fiber-Optical Networks Modeling最新文献

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Laser Model for Fast Crystallization of Overcooled He 过冷He快速结晶的激光模型
2006 International Workshop on Laser and Fiber-Optical Networks Modeling Pub Date : 2006-12-04 DOI: 10.1109/LFNM.2006.252071
V.A. Kykah, E. Syrkin
{"title":"Laser Model for Fast Crystallization of Overcooled He","authors":"V.A. Kykah, E. Syrkin","doi":"10.1109/LFNM.2006.252071","DOIUrl":"https://doi.org/10.1109/LFNM.2006.252071","url":null,"abstract":"A recent experiment has shown that, in the bcc-hcp transition of solid 4He. the new phase is nucleated at many sites inside the original crystal. Strongly reminiscent of a martensitic transition, the transition is reversible. For this transition, we consider a possible microscopic mechanism, which was earlier applied to martensitic transitions in metallic alloys. We assume that the phase boundary is coherent, and atomic displacements are reversible and do not exceed a unit cell size during the transition. A double-well model is applied to the description of the boundary. The parameters of the boundary are related to the crystal lattice parameters","PeriodicalId":370622,"journal":{"name":"2006 International Workshop on Laser and Fiber-Optical Networks Modeling","volume":"159 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129449712","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
Effect of Absorption of a Pumping Radiation by Molecules of an Acceptor on Generation Performances of Pulses of the DFDL on a Binary Mixture of the Dyes 受体分子对抽运辐射的吸收对二元染料混合DFDL脉冲产生性能的影响
2006 International Workshop on Laser and Fiber-Optical Networks Modeling Pub Date : 2006-12-04 DOI: 10.1109/LFNM.2006.252069
V. Kurstak, S. Anufrik
{"title":"Effect of Absorption of a Pumping Radiation by Molecules of an Acceptor on Generation Performances of Pulses of the DFDL on a Binary Mixture of the Dyes","authors":"V. Kurstak, S. Anufrik","doi":"10.1109/LFNM.2006.252069","DOIUrl":"https://doi.org/10.1109/LFNM.2006.252069","url":null,"abstract":"In the work, it was shown, that the cross-section growth of an acceptor absorption on a wave length of a pumping radiation leads to the reducing of duration of single USP at any value of critical distance of energy transfer The power of single USP and the peak degree of excess of the threshold, corresponding to generation of single USP, increase with growth of cross-section of an acceptor absorption. It was also established in the work, that single USP are generated with a higher power through use of donor-acceptor pairs of dyes with smaller critical distance of transfer of energy","PeriodicalId":370622,"journal":{"name":"2006 International Workshop on Laser and Fiber-Optical Networks Modeling","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128534093","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
Transmission Limitations in DWDM Systems by Stimulated Raman Scattering for Different Types of Fibres 不同类型光纤的受激拉曼散射在DWDM系统中的传输限制
2006 International Workshop on Laser and Fiber-Optical Networks Modeling Pub Date : 2006-12-04 DOI: 10.1109/LFNM.2006.251998
V. Katok, M. Kotenko, O. Nazarenko, O. Ometsinska
{"title":"Transmission Limitations in DWDM Systems by Stimulated Raman Scattering for Different Types of Fibres","authors":"V. Katok, M. Kotenko, O. Nazarenko, O. Ometsinska","doi":"10.1109/LFNM.2006.251998","DOIUrl":"https://doi.org/10.1109/LFNM.2006.251998","url":null,"abstract":"The mathematical model is considered, that enables to estimate influence of such nonlinear phenomenon as stimulated Raman scattering (SRS) on an overall performance of a communication system. Dependence of the maximal length of the communication line limited by SRS effect on an interval between channels, their quantities in system, bit rate and different types of optical fibres is calculated","PeriodicalId":370622,"journal":{"name":"2006 International Workshop on Laser and Fiber-Optical Networks Modeling","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130087504","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
Optical Formation of Waveguiding Structures at the Interaction of Nonintersecting Light Beams in Photopolymerizable Compositions 光聚合组合物中非相交光束相互作用下波导结构的光学形成
2006 International Workshop on Laser and Fiber-Optical Networks Modeling Pub Date : 2006-12-04 DOI: 10.1109/LFNM.2006.252009
S. N. Mensov, Y. Polushtaytsev
{"title":"Optical Formation of Waveguiding Structures at the Interaction of Nonintersecting Light Beams in Photopolymerizable Compositions","authors":"S. N. Mensov, Y. Polushtaytsev","doi":"10.1109/LFNM.2006.252009","DOIUrl":"https://doi.org/10.1109/LFNM.2006.252009","url":null,"abstract":"Nonlinear processes of the interaction of light-beams counter-propagating in transparent photopolymerizable compositions are investigated numerically and experimentally as well","PeriodicalId":370622,"journal":{"name":"2006 International Workshop on Laser and Fiber-Optical Networks Modeling","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127707755","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
Screw Phase Dislocation Formation by Means of Flexible Bimorph Mirror 柔性双晶圆镜形成螺旋相位错
2006 International Workshop on Laser and Fiber-Optical Networks Modeling Pub Date : 2006-12-04 DOI: 10.1109/LFNM.2006.252080
A. Sobolev, T. Cherezova, V. Samarkin, A. Kudryashov
{"title":"Screw Phase Dislocation Formation by Means of Flexible Bimorph Mirror","authors":"A. Sobolev, T. Cherezova, V. Samarkin, A. Kudryashov","doi":"10.1109/LFNM.2006.252080","DOIUrl":"https://doi.org/10.1109/LFNM.2006.252080","url":null,"abstract":"Formation of the given laser beam intensity and phase is important to solve practical and scientific problems. Bimorph flexible mirror is one of the most widely used devices for this purpose. In the work we present results of numerical and experimental formation of the vortex beam by means of the bimorph flexible mirror. To determine the required electrode grid we have developed a unique algorithm that allows finding the best suited semipassive bimorph mirror electrode spacing for reproducing almost all arbitrary specified phase profiles","PeriodicalId":370622,"journal":{"name":"2006 International Workshop on Laser and Fiber-Optical Networks Modeling","volume":"143 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128767023","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
Method of Realization of High-Precision Measurement of Lengths of Optical Fibre 光纤长度高精度测量的实现方法
2006 International Workshop on Laser and Fiber-Optical Networks Modeling Pub Date : 2006-12-04 DOI: 10.1109/LFNM.2006.252029
Y. Machekhin, A. I. Raschektayeva
{"title":"Method of Realization of High-Precision Measurement of Lengths of Optical Fibre","authors":"Y. Machekhin, A. I. Raschektayeva","doi":"10.1109/LFNM.2006.252029","DOIUrl":"https://doi.org/10.1109/LFNM.2006.252029","url":null,"abstract":"In the report the method of realization of high-precision measurement of length of the optical fiber based on a principle of working of the circuit of optical \"extinction\" of polarized laser radiation is discussed. On the basis of the given method it is planned upgrades of the State standard of energy units of capacity and time of distribution of laser pulse and continuous radiation of very-low levels in material mediums","PeriodicalId":370622,"journal":{"name":"2006 International Workshop on Laser and Fiber-Optical Networks Modeling","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128987587","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
Formation of Intensive Pulses with Super Short Duration Under the Cascading SHG in Bulk Medium 体介质级联SHG下超短持续时间强脉冲的形成
2006 International Workshop on Laser and Fiber-Optical Networks Modeling Pub Date : 2006-12-04 DOI: 10.1109/LFNM.2006.252072
V. Trofimov, V. V. Trofimov
{"title":"Formation of Intensive Pulses with Super Short Duration Under the Cascading SHG in Bulk Medium","authors":"V. Trofimov, V. V. Trofimov","doi":"10.1109/LFNM.2006.252072","DOIUrl":"https://doi.org/10.1109/LFNM.2006.252072","url":null,"abstract":"Using computer simulation, we investigate cascading SHG under the conditions of action of cubic nonlinearity and group velocity mismatching with the aim of high intense formation of fundamental and doubling frequency waves. The phase mismatching in our computer experiments corresponds to self-focusing of laser pulses. Various scenario of laser pulse formation on doubling frequency with intensity, that is comparable with the one of fundamental harmonic, are found. It should be emphasized under some conditions the centers of both pulses do not change their positions despite on group velocity mismatching and both pulses propagate as in the case of absent of group velocity mismatching. We take into account dispersion and diffraction of laser pulses as well","PeriodicalId":370622,"journal":{"name":"2006 International Workshop on Laser and Fiber-Optical Networks Modeling","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130893786","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: 14
Observation of Phase Heterogeneities of the Medium by the Methods by the Interferometry Methods 用干涉法观察介质的相位非均匀性
2006 International Workshop on Laser and Fiber-Optical Networks Modeling Pub Date : 2006-12-04 DOI: 10.1109/LFNM.2006.251985
G. Dolya, A. Katunin, K. V. Sadovy, E.V. Karmanny
{"title":"Observation of Phase Heterogeneities of the Medium by the Methods by the Interferometry Methods","authors":"G. Dolya, A. Katunin, K. V. Sadovy, E.V. Karmanny","doi":"10.1109/LFNM.2006.251985","DOIUrl":"https://doi.org/10.1109/LFNM.2006.251985","url":null,"abstract":"The experimental results of observations of phase heterogeneity in the air medium by the methods of classic and speckle-interferometry are presented. On the basis of comparative analysis of spectrographs the features and conformity to the law of phase heterogeneities influence on the characteristics of sounding laser radiation are exposed","PeriodicalId":370622,"journal":{"name":"2006 International Workshop on Laser and Fiber-Optical Networks Modeling","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116601763","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
Integral Equation Computation of Coupled Propagation Modes in Non-Symmetric Grating Waveguides 非对称光栅波导中耦合传播模式的积分方程计算
2006 International Workshop on Laser and Fiber-Optical Networks Modeling Pub Date : 2006-12-04 DOI: 10.1109/LFNM.2006.251966
N. Tsitsas, D. Kaklamani, N. Uzunoglu
{"title":"Integral Equation Computation of Coupled Propagation Modes in Non-Symmetric Grating Waveguides","authors":"N. Tsitsas, D. Kaklamani, N. Uzunoglu","doi":"10.1109/LFNM.2006.251966","DOIUrl":"https://doi.org/10.1109/LFNM.2006.251966","url":null,"abstract":"A rigorous integral equation formulation in conjunction with Green's function theory is used for the analysis of the wave guiding and coupling phenomena in non-symmetric grating assisted optical couplers. The integral equation is solved by applying an entire domain Galerkin's technique. Numerical results, referring to the evolution of the propagation constants, as function of the grating's characteristics are presented","PeriodicalId":370622,"journal":{"name":"2006 International Workshop on Laser and Fiber-Optical Networks Modeling","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134122369","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
Study on Tunable Q-Switched/Cavity-Dumped Partial Z-Fold CO2 Waveguide Laser with Two Channels and Common Electrodes 双通道共电极可调谐调q /空腔倾倒部分z折CO2波导激光器的研究
2006 International Workshop on Laser and Fiber-Optical Networks Modeling Pub Date : 2006-12-04 DOI: 10.1109/LFNM.2006.251978
Q. Wang, Z. Tian, Q. Zhu
{"title":"Study on Tunable Q-Switched/Cavity-Dumped Partial Z-Fold CO2 Waveguide Laser with Two Channels and Common Electrodes","authors":"Q. Wang, Z. Tian, Q. Zhu","doi":"10.1109/LFNM.2006.251978","DOIUrl":"https://doi.org/10.1109/LFNM.2006.251978","url":null,"abstract":"A tunable Q-switched/cavity-dumped partial Z-fold CO2 waveguide laser with two channels and common electrodes was designed. The Q-switched and cavity-dumped pulse lasers have been obtained from the Z-fold channel with a tunable pulse repetition frequency (PRF) of 1-70 kHz. At the Q-switched operation, the peak power is 730 W and the pulsewidth is 150 ns at the PRF of 10 KHz. At the cavity-dumped operation, the pulse laser width can be adjusted. The peak power is 6000 W with the pulsewidth of 20 ns and 3400 W for 32 ns. Continuous-wave laser output has been obtained from the other channel and its frequency can be tuned by a piezoelectric transducer. The Q-switched and cavity-dumped pulse laser heterodyne waveforms are observed. Meanwhile, six-temperature model was used to analyze the process of the dynamic emission in the electrooptically Q-switched CO2 laser. The theoretical results were well consistent with the experimental results","PeriodicalId":370622,"journal":{"name":"2006 International Workshop on Laser and Fiber-Optical Networks Modeling","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124300014","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
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