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Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)最新文献

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Some features of model operation of electrodischarge excimer lasers 放电准分子激光器模型操作的一些特点
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-22 DOI: 10.1109/LFNM.2001.930217
S. Anufrik, A.P. Volodenkov, K.F. Znosko
{"title":"Some features of model operation of electrodischarge excimer lasers","authors":"S. Anufrik, A.P. Volodenkov, K.F. Znosko","doi":"10.1109/LFNM.2001.930217","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930217","url":null,"abstract":"The original excitation system of an electrodischarge excimer laser on the basis of the LC-generator with two-contour peak capacitance is experimentally implemented and theoretically explored.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122156788","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
Continuous phase modulation receiver design with artificial neural network 基于人工神经网络的连续调相接收机设计
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-22 DOI: 10.1109/LFNM.2001.930201
I. Kilic, B. Karlik
{"title":"Continuous phase modulation receiver design with artificial neural network","authors":"I. Kilic, B. Karlik","doi":"10.1109/LFNM.2001.930201","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930201","url":null,"abstract":"The aim of this study is to develop neural network based receiver structures for constant envelope continuous phase modulation (CPM) systems. A feedforward network computation with these back-propagation neural networks was used for this purpose. We present the simulation results of the binary system outputs for the inphase and quadrature components.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"107 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130862438","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
Epitaxial Gd/sub 3/(GaSc)/sub 5/O/sub 12/:Er and CN:Er films in active medium for 1.5-/spl mu/m laser 1.5-/spl μ m激光外延Gd/sub 3/(GaSc)/sub 5/O/sub 12/:Er和CN:Er薄膜
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-22 DOI: 10.1109/LFNM.2001.930222
A. Prudnikov, L. Tsymbal, V. Varyukhin, A. Linnik, R.V. Shalaev
{"title":"Epitaxial Gd/sub 3/(GaSc)/sub 5/O/sub 12/:Er and CN:Er films in active medium for 1.5-/spl mu/m laser","authors":"A. Prudnikov, L. Tsymbal, V. Varyukhin, A. Linnik, R.V. Shalaev","doi":"10.1109/LFNM.2001.930222","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930222","url":null,"abstract":"Summary form only given. The studied Gd/sub 3/(Ga/sub 2/Sc)/sub 5/O/sub 12/:Er films were grown using the method of liquid-phase epitaxy on pure Gd/sub 3/Ga/sub 5/O/sub 12/ substrates. The employed films, which differed in the number of Gd/sup 3+/ ions, are replaced by Er/sup 3+/ ions. The Sc/sup 3+/ ions were used to compensate the size of the elementary crystal cell of the film and to bring the size of the elementary cell in correspondence with the size of the substrate. An influence in studied of electromagnetic radiation on epitaxial structure growing processes. High power xenon lamp, pulse and continuous lasers were used in experiments on CN:Er films growing. The model of processes on the crystallization surface is considered and the necessity to take defects kinetics into account when analyzing photostimulated epitaxy is shown. Spectral-luminescent properties of Gd/sub 3/(GaSc)/sub 5/O/sub 12/ and CN films doped with Er/sup 3+/ ions have been studied.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129214213","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
Wave diffraction by semi-infinite periodical structures with axial symmetry 具有轴对称的半无限周期结构的波衍射
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-22 DOI: 10.1109/LFNM.2001.930239
S. Pogarsky, V. Chumachenko
{"title":"Wave diffraction by semi-infinite periodical structures with axial symmetry","authors":"S. Pogarsky, V. Chumachenko","doi":"10.1109/LFNM.2001.930239","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930239","url":null,"abstract":"A wide range of diffraction wave problem by semi-infinite equidistant succession of identical obstacles with axial symmetry has been considered. The numerical-analytical method decision of this problem solution has been suggested. It is based on the idea of the partial inversion of diffraction problem operator by the following way: the simple part of the semi-infinite obstacle for which the scattering operator is known is extracted. The desired total operator then has been constructed by using specific symmetry of the semi-infinite structure on the basis of the operator mentioned above, which allows taking into account the wave interaction by the obstacle components.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125172071","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
Scattering of laser wave beam on dielectric layer with ferrite film 激光波束在铁氧体介质层上的散射
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-22 DOI: 10.1109/LFNM.2001.930245
D. Goryushko, A. Shmat’ko
{"title":"Scattering of laser wave beam on dielectric layer with ferrite film","authors":"D. Goryushko, A. Shmat’ko","doi":"10.1109/LFNM.2001.930245","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930245","url":null,"abstract":"For scattered fields we observed a spatial distribution of one or several laser beams. Our analysis demonstrates a capability to control these characteristics by means of a constant magnetizing field for a wide range. The designed numerical algorithm allows one to carry out computer simulation of pattern and fields for given output characteristics.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125019476","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
Structure of generalized Mueller matrix including isotropic depolarization 包含各向同性退极化的广义Mueller矩阵的结构
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-22 DOI: 10.1109/LFNM.2001.930235
S. Savenkov, K.E. Yushtin
{"title":"Structure of generalized Mueller matrix including isotropic depolarization","authors":"S. Savenkov, K.E. Yushtin","doi":"10.1109/LFNM.2001.930235","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930235","url":null,"abstract":"Polarization properties of an object in the case of its linear interaction with electromagnetic radiation (frequency of radiation does not change, and object properties are the same in time of interaction) can be described by using 4/spl times/4 Mueller matrix with real elements. For various classes of the objects their Mueller matrices consist of various number of independent elements. The Muller matrix of deterministic class consists of seven independent elements (parameters or freedom degrees) and can be derived from 2/spl times/2 Jones matrix with complex elements transforming electric field components. This matrix has been called pure Mueller or Mueller-Jones matrix. The existence of the only seven independent elements imposes some constraints on inner structure of Mueller-Jones matrix. The main goal of the present paper is the study of the inner symmetric structure of generalized Mueller matrices of these classes of objects and tracing the character of transformation of the previously established Mueller-Jones matrix symmetry structure as a result of taking into account isotropic depolarization.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125981674","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
End face nonperpendicularity analysis in fiber connectors 光纤连接器端面不垂直度分析
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-22 DOI: 10.1109/LFNM.2001.930203
A. Filipenko
{"title":"End face nonperpendicularity analysis in fiber connectors","authors":"A. Filipenko","doi":"10.1109/LFNM.2001.930203","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930203","url":null,"abstract":"High quality fiber optic connectors are a critical element of any fiber optic network. Trapping the bare fiber within a cylindrical ferrule and polishing the end of the fiber-ferrule combination terminate most connectors. The performance of the connectors is determined by a combination of the factors including the fiber size and core centration, the ferrule size, centration and axiality, and the methods used in polishing the fiber during termination. Polishing process forms the end face angle. It is well known, that the polishing technology has influence on return loss. Back reflection or return loss is the amount of light reflected back towards the source relation to the forward signal. Reflection back into a laser cavity can cause result in output fluctuations, mode hopping and a damaged laser. This effect is especially detrimental in high speed and analog applications.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128948120","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
Mathematical model of technological CO laser with 20-50 kW power, open contour of work and RF-discharge in supersonic flow 功率20 ~ 50kw、工作轮廓开放、超声速rf放电的工艺CO激光器的数学模型
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-22 DOI: 10.1109/LFNM.2001.930226
I. Baranov, K.M. Romodin
{"title":"Mathematical model of technological CO laser with 20-50 kW power, open contour of work and RF-discharge in supersonic flow","authors":"I. Baranov, K.M. Romodin","doi":"10.1109/LFNM.2001.930226","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930226","url":null,"abstract":"The mathematical model of a technological laser with an open work contour and RF-discharge has been developed in a supersonic flow. During the operating time of the CO laser there is a reaction on the catalyst of widely accessible gases: C/sub 3/H/sub 8/ and CO/sub 2/, with subsequent mix by air (up to 90%). The ecological safety of work of the laser is provided at the expense of CO conversion molecules in CO/sub 2/ on the catalyst before emission in an atmosphere. The mathematical model includes an account of process of mixing and reaction of CO/sub 2/ to C/sub 3/H/sub 8/, the mixture with air in the nozzle block, excitation in RF discharge, and processes of conversion CO molecules in CO/sub 2/. The model allows one to account for the parameters and optimisation of the technological laser and RF-discharge in a supersonic flow. The estimation of cost of such a technological laser with capacity of 20-50 kW is at a level of cost of a 1 kW CO/sub 2/ of the laser.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130745611","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
Metrology maintenance optic time-domain reflectometers 计量维护光学时域反射计
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-22 DOI: 10.1109/LFNM.2001.930246
Y. Machekhin, A.I. Raschektayeva
{"title":"Metrology maintenance optic time-domain reflectometers","authors":"Y. Machekhin, A.I. Raschektayeva","doi":"10.1109/LFNM.2001.930246","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930246","url":null,"abstract":"Optic time domain reflectometers are intended for measurement of parameters which characterize the radiation spread in a fibre optical line. That is the distance to the place of heterogeneity (damage) in the fibre and also attenuation of optical radiation in optical fibres. The main working principle of an optical time domain reflectometer is determination of optical fibre characteristics by the measured back distance. The main advantage of measurements by the back distance is that they demand access only to one end of fibre link.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126946307","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
Using of the travelling wave resonator filters for improving characteristics of WDM transmission optical lines 行波谐振器滤波器用于改善波分复用传输光纤的特性
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-22 DOI: 10.1109/LFNM.2001.930200
T. Gerasimchuk, V. Katok, A. Manko
{"title":"Using of the travelling wave resonator filters for improving characteristics of WDM transmission optical lines","authors":"T. Gerasimchuk, V. Katok, A. Manko","doi":"10.1109/LFNM.2001.930200","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930200","url":null,"abstract":"The construction and results of accounts of the optical filter consisting of the ring resonator coupled with optical waveguides are submitted in this work. The characteristics of filters for different values of its parameters are represented. The expediency of the application of offered filters in the systems with WDM is marked.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116459330","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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