International Conference on Coherent and Nonlinear Optics最新文献

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Self-induced polarization rotation of laser beam in fullerene (C70) solutions 富勒烯(C70)溶液中激光束的自激偏振旋转
International Conference on Coherent and Nonlinear Optics Pub Date : 2010-09-10 DOI: 10.1117/12.881144
S. Bakhramov, A. M. Kokharov, U. Makhmanov, R. Kokharov
{"title":"Self-induced polarization rotation of laser beam in fullerene (C70) solutions","authors":"S. Bakhramov, A. M. Kokharov, U. Makhmanov, R. Kokharov","doi":"10.1117/12.881144","DOIUrl":"https://doi.org/10.1117/12.881144","url":null,"abstract":"The effect of nonlinear polarization rotation of elliptically polarized laser pulses in solutions of fullerene (C70) in organic solvents and their mixtures has been experimentally studied. The nonlinear refractive index n2 and nonlinear cubic susceptibility Reχ(3) (ω;ω,ω,-ω) of these solutions have been defined. The correlation between the process of C70 cluster formation in solutions and the angle of self-induced polarization rotation of passing laser beam was demonstrated. The physical mechanism of self-induced optical activity in solutions is discussed.","PeriodicalId":309922,"journal":{"name":"International Conference on Coherent and Nonlinear Optics","volume":"187 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114922508","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: 12
Progress toward a precision measurement of the atomic recoil frequency using an echo-type atom interferometer 用回声型原子干涉仪精确测量原子反冲频率的研究进展
International Conference on Coherent and Nonlinear Optics Pub Date : 2010-09-10 DOI: 10.1117/12.879761
B. Barrett, S. Beattie, A. Carew, I. Chan, C. Mok, I. Yavin, A. Kumarakrishnan
{"title":"Progress toward a precision measurement of the atomic recoil frequency using an echo-type atom interferometer","authors":"B. Barrett, S. Beattie, A. Carew, I. Chan, C. Mok, I. Yavin, A. Kumarakrishnan","doi":"10.1117/12.879761","DOIUrl":"https://doi.org/10.1117/12.879761","url":null,"abstract":"We discuss progress towards a precision measurement of the atomic recoil frequency in 85Rb using an echo-type atom interferometer. We report a single measurement precision of ~ 300 ppb on a timescale of ~ 50 ms.","PeriodicalId":309922,"journal":{"name":"International Conference on Coherent and Nonlinear Optics","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128301747","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
CO laser frequency conversion in nonlinear crystals ZnGeP2 and GaSe 非线性晶体ZnGeP2和GaSe的CO激光变频
International Conference on Coherent and Nonlinear Optics Pub Date : 2010-09-10 DOI: 10.1117/12.882815
Y. Andreev, A. Gerasimov, S. M. Grigoryants, A. Ionin, I. Kinyaevsky, Y. Klimachev, A. Kozlov, A. Kotkov, G. N. Lanskii, A. Morozov
{"title":"CO laser frequency conversion in nonlinear crystals ZnGeP2 and GaSe","authors":"Y. Andreev, A. Gerasimov, S. M. Grigoryants, A. Ionin, I. Kinyaevsky, Y. Klimachev, A. Kozlov, A. Kotkov, G. N. Lanskii, A. Morozov","doi":"10.1117/12.882815","DOIUrl":"https://doi.org/10.1117/12.882815","url":null,"abstract":"Experimental and modeling results on CO laser frequency conversion are presented. A Q-switched multiline CO laser with pulse repetition rate 20-150 Hz of sub-microsecond pulses and electron beam sustained discharge frequency-tunable mode-locked CO laser were used in the experiments on second harmonic generation (SHG) in high-quality ZnGeP2 and GaSe crystals. Internal SHG efficiency exceeded 12.4 % in 12 mm ZnGeP2 crystal. The SHG in 4 mm GaSe crystal was observed with internal efficiency of 0.3%. A possibility of difference frequency generation of fundamental and firstovertone CO laser lines to cover spectral range of ~4.0-5.0 μm is discussed. It is estimated that the difference frequency generation of neighboring lines of both fundamental and first-overtone bands allows one to obtain oscillation in THz spectral range within ~200-3000 μm.","PeriodicalId":309922,"journal":{"name":"International Conference on Coherent and Nonlinear Optics","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132454146","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
Laser filamentation in chalcogenide glass 硫系玻璃中的激光灯丝
International Conference on Coherent and Nonlinear Optics Pub Date : 2010-09-10 DOI: 10.1117/12.881504
P. Masselin, D. Le Coq, E. Bychkov, E. Lépine, C. Lin, L. Calvez
{"title":"Laser filamentation in chalcogenide glass","authors":"P. Masselin, D. Le Coq, E. Bychkov, E. Lépine, C. Lin, L. Calvez","doi":"10.1117/12.881504","DOIUrl":"https://doi.org/10.1117/12.881504","url":null,"abstract":"We report laser filamentation in the bulk of chalcogenide glass with femtosecond laser pulses of energy on the nanojoule level. Spatially resolved measurements of the resulting refractive index modification are presented. The study of the pulse energy and focusing condition dependencies show that channels of positive refractive index variation of several millimeter length can easily be obtained.","PeriodicalId":309922,"journal":{"name":"International Conference on Coherent and Nonlinear Optics","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124653025","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: 8
Chiral photonic bandgap microcavities doped with single colloidal semiconductor quantum dots 掺杂单胶体半导体量子点的手性光子带隙微腔
International Conference on Coherent and Nonlinear Optics Pub Date : 2010-09-10 DOI: 10.1117/12.880242
L. Bissell, S. Lukishova, A. Schmid, M. Hahn, C. M. Evans, T. Krauss, C. Stroud, R. Boyd
{"title":"Chiral photonic bandgap microcavities doped with single colloidal semiconductor quantum dots","authors":"L. Bissell, S. Lukishova, A. Schmid, M. Hahn, C. M. Evans, T. Krauss, C. Stroud, R. Boyd","doi":"10.1117/12.880242","DOIUrl":"https://doi.org/10.1117/12.880242","url":null,"abstract":"Various single colloidal quantum dots were investigated in chiral liquid crystal 1-D photonic bandgap microcavities for visible and telecom wavelengths. The microcavity environment provides circular polarization of definite handedness. Narrow, circularly-polarized microcavity resonances of 3-5 nm width were observed on the band edges of the stopbands.","PeriodicalId":309922,"journal":{"name":"International Conference on Coherent and Nonlinear Optics","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125108962","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
Two-photon luminescence as a probe of local field enhancement in hot spot of plasmonic nanoparticles in titanium dioxide matrix 双光子发光作为二氧化钛基体中等离子体纳米粒子热点局部场增强的探针
International Conference on Coherent and Nonlinear Optics Pub Date : 2010-09-10 DOI: 10.1117/12.881863
A. Aiboushev, A. Astafiev, Y. Lozovik, O. Sarkisov, V. Nadtochenko
{"title":"Two-photon luminescence as a probe of local field enhancement in hot spot of plasmonic nanoparticles in titanium dioxide matrix","authors":"A. Aiboushev, A. Astafiev, Y. Lozovik, O. Sarkisov, V. Nadtochenko","doi":"10.1117/12.881863","DOIUrl":"https://doi.org/10.1117/12.881863","url":null,"abstract":"Bright two-photon luminescence of gold and silver nanoparticles photodeposited in titanium dioxide matrix was studied under near IR laser pulse irradiation. Electromagnetic field enhancement coefficients were estimated for the most intense hot spots at wavelength of excitation. The estimation was compared with theoretical predictions of FDTD analysis.","PeriodicalId":309922,"journal":{"name":"International Conference on Coherent and Nonlinear Optics","volume":"107 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127664631","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
Nonlinear Thomson scattering of the ultrashort laser pulses 超短激光脉冲的非线性汤姆森散射
International Conference on Coherent and Nonlinear Optics Pub Date : 2010-09-10 DOI: 10.1117/12.881027
P. Golovinski, E. A. Mikhin
{"title":"Nonlinear Thomson scattering of the ultrashort laser pulses","authors":"P. Golovinski, E. A. Mikhin","doi":"10.1117/12.881027","DOIUrl":"https://doi.org/10.1117/12.881027","url":null,"abstract":"The process of the light scattering becomes nonlinear in the fields with relativistic intensity. Nonlinear scattering of ultrashort relativistic pulses by free electrons is considered. We use the wavelet basis in the form of derivatives from the Gaussian function for description of ultrashort pulses. The equation of motion, for a charged particle in the field of plane electromagnetic wave, has the exact solution including the expression for the energy. The approximation of instant spectrum allows to calculate the Thomson nonlinear scattering for laser pulses of ultrarelativistic intensity. Spectral distribution for all the pulse duration is the result of integration over the time. Exact solution in the case of laser pulse with form of the \"Mexican hat\" gives the velocity and acceleration in the parametrical form as functions of the proper time. The maximum of radiation for free electron in the fields with intensity 1019-1021 W/ cm2 is concentrated at the range of ultraviolet spectrum with photons energies 3-12 eV. The part of continuous spectrum reaches the area of large photon energies. One percent of scattered energy for the laser intensity 1020 W/ cm2 is concentrated at the range hω > 2,7 x 102 eV, 1021 W/ cm2 - hω > 7,9 x 103 eV, 1022 W/ cm2 - hω > 2,45 x 105 eV. It allows one to use nonlinear scattering as a source of hard x-ray radiation.","PeriodicalId":309922,"journal":{"name":"International Conference on Coherent and Nonlinear Optics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129881430","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
New method of reading strongly correlated sequences: treatment and analysis of the CCD-matrix noise 读取强相关序列的新方法:ccd矩阵噪声的处理与分析
International Conference on Coherent and Nonlinear Optics Pub Date : 2010-09-10 DOI: 10.1117/12.881625
R. Nigmatullin, A. V. Chernova, S. Pershin, V. Lykiachenko
{"title":"New method of reading strongly correlated sequences: treatment and analysis of the CCD-matrix noise","authors":"R. Nigmatullin, A. V. Chernova, S. Pershin, V. Lykiachenko","doi":"10.1117/12.881625","DOIUrl":"https://doi.org/10.1117/12.881625","url":null,"abstract":"Description of random sequences in strongly-correlated systems with the help of β - distribution has been considered. This new method was applied to analysis of CCD-matrix noises recorded at different temperatures. Every noise sequence was \"read\" in terms of fitting parameters of the β - distribution. Relative fitting error does not exceed the value of 2.2% with the value of Pearson correlation coefficient close to 1. The fitting parameters are rather stable to a difference in treatment procedures. In first treatment method the procedure was applied to the mean values of the noise sequence, while in the second - to each separate sampling with subsequent averaging in the end. For the first method the relative error is located in the vicinity of 1%, while for the second approach this value is about 2.2%. This simple comparison confirms that the self-averaging phenomenon occurs as a result of repetition of the same measurement. With the help of the ECs method we recognized a hypothesis for temperature behavior of the mean values that were calculated for each sampling. This hypothesis represents itself in a linear combination of two exponential functions. One can judge about the temperature stability of the CCD device analyzing the fitting parameters with respect to the temperature. The method has potential application in device calibration or in determination its readiness to a normal work.","PeriodicalId":309922,"journal":{"name":"International Conference on Coherent and Nonlinear Optics","volume":"71 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126265200","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
Terahertz time-domain spectroscopy setup based on InAs emitter 基于InAs发射极的太赫兹时域光谱建立
International Conference on Coherent and Nonlinear Optics Pub Date : 2010-09-10 DOI: 10.1117/12.881876
G. Sinitsyn, A. Lyakhnovich, V. Malevich, N. Kazak, B. A. Bushuk, S. B. Bushuk
{"title":"Terahertz time-domain spectroscopy setup based on InAs emitter","authors":"G. Sinitsyn, A. Lyakhnovich, V. Malevich, N. Kazak, B. A. Bushuk, S. B. Bushuk","doi":"10.1117/12.881876","DOIUrl":"https://doi.org/10.1117/12.881876","url":null,"abstract":"Terahertz emission from indium arsenide excited by femtosecond laser pulses was numerically simulated with the use of particle method. It is shown that the largest terahertz emission is achieved when 800 nm femtosecond laser pulses are used for excitation of InAs. We describe terahertz time-domain spectroscopy setup built that uses a relatively simple terahertz emitter on the basis of indium arsenide plate.","PeriodicalId":309922,"journal":{"name":"International Conference on Coherent and Nonlinear Optics","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124381131","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 properties of semiconductors in exciton range of spectrum in non-stationary regime taking into account the exciton-exciton interaction 考虑激子-激子相互作用的非平稳状态下激子光谱半导体的光学性质
International Conference on Coherent and Nonlinear Optics Pub Date : 2010-09-10 DOI: 10.1117/12.881584
P. I. Khadzhi, L. Y. Nadkin
{"title":"Optical properties of semiconductors in exciton range of spectrum in non-stationary regime taking into account the exciton-exciton interaction","authors":"P. I. Khadzhi, L. Y. Nadkin","doi":"10.1117/12.881584","DOIUrl":"https://doi.org/10.1117/12.881584","url":null,"abstract":"The non-stationary theory of the pump-probe method of investigation of the optical properties of semiconductors in the exciton range of spectrum taking into account the exciton-photon and elastic exciton-exciton interactions was elaborated. The time evolution of the exciton density and the imaginary component of the susceptibility for the different shapes of incident strong pulse were investigated.","PeriodicalId":309922,"journal":{"name":"International Conference on Coherent and Nonlinear Optics","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122490617","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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