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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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Peculiarities of light distribution on optical fibre with system of Bragg's gratings Bragg光栅系统光纤光分布特性研究
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-24 DOI: 10.1109/LFNM.2001.930195
V. Fitio, Y.W. Bobitski
{"title":"Peculiarities of light distribution on optical fibre with system of Bragg's gratings","authors":"V. Fitio, Y.W. Bobitski","doi":"10.1109/LFNM.2001.930195","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930195","url":null,"abstract":"Summary form only given. Distribution of light in a single mode fibre with some Bragg's lattices of the same period was analysed by the method of connected waves. With the help of four Bragg's lattices which make up two Fabry-Perot coordinated interferometers an optical fibre spectrometer can be constructed. The scanning process based on a spectral range can be achieved by changing the temperature of fibre. Based on four lattices, which form two Fabry-Perot interferometers operated in real time one can create continual laser radiation in sequenced powerful impulses.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123969576","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
Optical induced dynamic nuclei polarization in condensed medias 凝聚态介质中光学诱导的动态原子核偏振
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-24 DOI: 10.1109/LFNM.2001.930251
B. Alekseev, R. Demyanenko, P. Demyanenko, V. Levchenko, M. Prokofiev
{"title":"Optical induced dynamic nuclei polarization in condensed medias","authors":"B. Alekseev, R. Demyanenko, P. Demyanenko, V. Levchenko, M. Prokofiev","doi":"10.1109/LFNM.2001.930251","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930251","url":null,"abstract":"Summary form only given. One of the opportunities of creation of stationary/dynamic (on the contrary static) nuclear polarization (DNP) is represented by multiplexor transitions of electronic pairs is to specify a way of creation and maintenance constant in time of the concentration triplet condition of molecules. Such an opportunity is realized by optical orientation of atoms (molecules) discussed in previous reports. Significant optically induced DNP was observed in solids as well as in liquid solutions. We assume this is due to occurrence of irradiation of triplet electronic conditions or triplet exitons, transitions of relaxation of which in singlet condition on simultaneous superfine interaction is caused by amplification of nuclear polarization.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128025238","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
Theoretical and experimental researches of thermal deformations in optical resonator elements of lasers 激光光学谐振腔元件热变形的理论与实验研究
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-24 DOI: 10.1109/LFNM.2001.930208
Y. Bobitski, I. Demkovych, G. A. Petrovska
{"title":"Theoretical and experimental researches of thermal deformations in optical resonator elements of lasers","authors":"Y. Bobitski, I. Demkovych, G. A. Petrovska","doi":"10.1109/LFNM.2001.930208","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930208","url":null,"abstract":"Summary form only given. The thermal deformations in optical resonator elements of powerful lasers lead to decreasing of resonator stability, to change of spatial parameters of output radiation; and also can cause destruction of optical elements. The results of theoretical researches of temperature fields and deformations depending on the physical characteristics of optical materials, their absorbing ability, and also modes of laser operation are presented in this work. The results of experimental measurements by the interference method of quantity of the thermal deformations in resonator mirrors of powerful lasers are shown. The submitted results allow optimizing parameters of laser resonators for powerful lasers, to prove a choice of optical materials, to simulate the most rational ways a cooling of optical elements.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124700334","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 magnetic spectroscopy 激光磁谱学
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-24 DOI: 10.1109/LFNM.2001.930219
B. Alekseev, R. Demyanenko, P. Demyanenko, V. Levchenko, M. Prokofiev
{"title":"Laser magnetic spectroscopy","authors":"B. Alekseev, R. Demyanenko, P. Demyanenko, V. Levchenko, M. Prokofiev","doi":"10.1109/LFNM.2001.930219","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930219","url":null,"abstract":"Summary form only given. We discuss transitory laser spectroscopy methods, especially a laser polarimetry method. In details, we discuss detection of weak magnetic susceptibility change.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115206071","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: 6
Diffraction properties of multi-layer holograms 多层全息图的衍射特性
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-24 DOI: 10.1109/LFNM.2001.930247
V. Fitio, Y. Bobitski
{"title":"Diffraction properties of multi-layer holograms","authors":"V. Fitio, Y. Bobitski","doi":"10.1109/LFNM.2001.930247","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930247","url":null,"abstract":"Based on the theory of connected waves the peculiarities of diffraction of light on multi-layered holograms was analysed. For two-edged holograms depending on diffraction efficiency from wavelength of the falling light one can observe oscillations, the period of which can be generally determined by the distance between the subholograms. For a multilayered hologram consisting of subholograms depending on the diffraction efficiency from the wavelength only every m-l peak has a big amplitude, the angle's width of this peak and the amplitudes of other peaks decrease with the increase of m. This case represents a multi-layer interferometer. The recording of a multilayered hologram can be done with the help of a simple hologram. Two edged and multilayered holograms as a matter of fact represent indivisible two rays and multi ray interferometers.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133813972","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
Modeling of dispersion properties of a Fabry-Perot interferometer by elasticity function 用弹性函数模拟法布里-珀罗干涉仪色散特性
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-24 DOI: 10.1109/LFNM.2001.930223
P. Kosoboutski, M. Lobur, J. Kosobutskyy
{"title":"Modeling of dispersion properties of a Fabry-Perot interferometer by elasticity function","authors":"P. Kosoboutski, M. Lobur, J. Kosobutskyy","doi":"10.1109/LFNM.2001.930223","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930223","url":null,"abstract":"Summary form only given. The authors give an optical spectrum simulation result for light reflection from a layered Fabry-Perot interferometer. One can obtain the power reflectance by using Airy's method that traces the reflected waves.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131397061","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
Atoms' optical orientation 原子的光学取向
Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463) Pub Date : 2001-05-24 DOI: 10.1109/LFNM.2001.930250
B. Alekseev, R.F. Demyanenko, P. Demyanenko, V. Levchenko, M. Prokofiev
{"title":"Atoms' optical orientation","authors":"B. Alekseev, R.F. Demyanenko, P. Demyanenko, V. Levchenko, M. Prokofiev","doi":"10.1109/LFNM.2001.930250","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930250","url":null,"abstract":"Summary form only given. We discussed the physical aspects of the atoms' optical orientation (AOO) in gases and vapours; experimental procedure and the possibility of this effect's usage in scientific study. The essence of this exotic phenomenon consists of the following: light with a certain wavelength raises transitions of atoms (usually in transparent gaseous cells) from the basic condition on the nearest excited ones, from which the atoms pass back, letting out quantums of the appropriate frequency. These Zeeman sublevels are split by a weak magnetic field. Experimentally the NMR-absorption by an AOO-system was observed in vapours of many alkaline atoms and isotopes of mercury etc.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114893073","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
Many body theory for luminescence in quantum wells 量子阱中发光的多体理论
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.2001.930253
M. Pereira
{"title":"Many body theory for luminescence in quantum wells","authors":"M. Pereira","doi":"10.1109/LFNM.2001.930253","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930253","url":null,"abstract":"Numerical solutions of the Bethe Salpeter equation for the polarization function of quantum wells with frequency- dependent carrier-carrier dephasing for the line broadening are reported with a Green's Function approach that satisfies the Kubo-Martin-Schwinger sum rule.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"15 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":"124078739","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
A five-level time-domain model for quantum dot lasers: influence of carrier capture and escape processes on dynamic and static characteristic 量子点激光器的五能级时域模型:载流子捕获和逃逸过程对动态和静态特性的影响
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.2001.930206
V. Lysak, A. Shulika, I. Sukhoivanov
{"title":"A five-level time-domain model for quantum dot lasers: influence of carrier capture and escape processes on dynamic and static characteristic","authors":"V. Lysak, A. Shulika, I. Sukhoivanov","doi":"10.1109/LFNM.2001.930206","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930206","url":null,"abstract":"The model is offered on the basis of the transmission line approach, which allows making researches of dynamic behavior of the quantum dot lasers. The character of the influence of a carrier captures and escapes processes on modulation and current-watt performances are researched numerically. The simulation results indicate, that the greatest influence on the laser performances have the carrier capture processes in quantum dots, and carrier capture from optical confinement layer into the wetting layer. The calculated results have good agreement with experimental data.","PeriodicalId":257420,"journal":{"name":"Proceedings of LFNM'2001. 3rd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.01EX463)","volume":"62 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":"126248864","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
Realization of numerical models for nonlinear impulse interactions in soliton communication lines 孤子通信线路中非线性脉冲相互作用数值模型的实现
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.2001.930191
A. Gomilko, A. Gourjii, V. Katok, V.G. Levandovskyy
{"title":"Realization of numerical models for nonlinear impulse interactions in soliton communication lines","authors":"A. Gomilko, A. Gourjii, V. Katok, V.G. Levandovskyy","doi":"10.1109/LFNM.2001.930191","DOIUrl":"https://doi.org/10.1109/LFNM.2001.930191","url":null,"abstract":"We consider two methods for analyzing solitons propagation in dispersion-managed communication lines described by nonlinear differential equation. The first method is a split-step Fourier method (SSFM). The second one is the modification of Runge-Kutta-Felberg method (RKF). The obtained results show that SSFM and RKF is a perspective method for a numerical simulation and optimization of high-speed long-distance soliton transmission links.","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":"133001515","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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