Thermal-energy Pooling Collisions in Cesium Vapor 6P 3/2+6P 3/2→7P J+6S 1/2
Thermal-energy Pooling Collisions in Cesium Vapor 6P3/2+6P3/2→7PJ+6S1/2
摘 要
标 签
energy pooling collision fluorescence intensity temperature dependence
Abstract
In this paper, the results of an experimental study on 6P3/2+6P3/2→7PJ+6S1/2 energy pooling collisions are presented. The experiment was carried out in cesium vapor using an external cavity diode laser for excitation under different temperatures. It is found that the response of fluorescence intensity to the frequency of excitation laser shows a two-peak phenomenon.
中图分类号
TN24
所属栏目
Laser Physics and Laser Chemistry
基金项目
Supported by the National Natural Science Foundation of China (Grant Nos.60078009, 10174047) and the Natural Science Foundation of Shanxi Province.
收稿日期
2001-10-8
修改稿日期
2001-11-19
 作者单位查看WANG Lirong(汪丽蓉):State Key Laboratory of Quantum Optics and Quantum Optics Devices, Department of Electronics and Information Technology, Shanxi Univ., Taiyuan 030006, China ZHAO Jianming(赵建明):State Key Laboratory of Quantum Optics and Quantum Optics Devices, Department of Electronics and Information Technology, Shanxi Univ., Taiyuan 030006, China XIAO Liantuan(肖连团):State Key Laboratory of Quantum Optics and Quantum Optics Devices, Department of Electronics and Information Technology, Shanxi Univ., Taiyuan 030006, China JIA Suotang(贾锁堂):State Key Laboratory of Quantum Optics and Quantum Optics Devices, Department of Electronics and Information Technology, Shanxi Univ., Taiyuan 030006, China
 作者简介WANG Lirong was born in 1971. She received the B.S. degree in theoretical physics from Shanxi University in 1994. She is now pursuing the M.S. degree there. Her research fields include laser spectroscopy, laser technology and nonlinear optics.
引用该论文
WANG Lirong(汪丽蓉),ZHAO Jianming(赵建明),XIAO Liantuan(肖连团),JIA Suotang(贾锁堂). Thermal-energy Pooling Collisions in Cesium Vapor 6P3/2+6P3/2→7PJ+6S1/2[J]. Chinese Journal of Lasers, 2002, 11(6): 421~424 (in chinese) WANG Lirong(汪丽蓉),ZHAO Jianming(赵建明),XIAO Liantuan(肖连团),JIA Suotang(贾锁堂). Thermal-energy Pooling Collisions in Cesium Vapor 6P3/2+6P3/2→7PJ+6S1/2[J]. Chinese Journal of Lasers, 2002, 11(6): 421~424
参考文献 【1】A. N. Klyucharev, A. V. Lazarenko. Measurement of relative oscillator strengths for transitions in the diffuse series of cesium. Opt. Spectrosc., 1972, 32:576~577 【2】M. Allegrini, A. Kopystynska, G. Alzetta et al.. Electronic energy transfer induced by collision between two excited sodium atoms. Opt. Comm., 1976, 19(1):96~99 【3】G. H. Bearman, J. J. Leventhal. Ionization and energy pooling in laser-excited Na vapor. Phys. Rev. Lett., 1978, 41(18):1227~1230 【4】M. Allegrini, P. Bicchi, L. Moi. Cross-section measurement for the energy-transfer collisions Na(3P)+Na(3P)→Na(5S,4D)+Na(3S). Phys. Rev. A., 1983, 28(3):1338~1343 【5】F. de Tomasi, S. Milosevic, P. Verkerk et al.. Experimental study of caesium 6PJ+6PJ→7PJ′+6S energy pooling collisions and modeling of the excited atom density in the presence of optical pumping and radiation trapping. Phys. B: At. Mol. Opt. Phys., 1997, 30:4991~5008 【6】Z. J. Jabbour, R. K. Namiotka, J. Huennekens et al.. Energy-pooling collisions in cesium: 6PJ+6PJ→6S1/2+(nL=7P,6D,8S,4F). Phys. Rev. A, 1996, 54(2):1372~1384 【7】L. T. Xiao, C. Y. Li, S. Q. Guo et al.. Diffuse-band radiation of molecular potassium generated by the energy-pooling effect. Appl. Phys. B, 1999, 68:727~729 【8】V. Horvatic, M. Movre, C. Vadle. The temperature dependence of the cross section for the energy pooling process Na(3P)+Na(3P)→Na(4D)+Na(3S). Phys. B: At. Mol. Opt. Phys., 1999, 32:4957~4976 【9】Jia Suotang, Den Shilan, Qin Lijuan et al.. Stimulated diffuse-band radiation generated by two-photo excitation of potassium vapor. Acta Optica Sinica, 1993, 13(10):865~868(in Chinese) 【10】Jia Suotang, Qin Lijuan, Qian Zuliang et al.. Stimulated diffuse-band radiation generated by multi-excitation of molecular and atomic potassium. Science in China (A), 1996, 26(4):328~335(in Chinese) 【11】T. Holstein. Imprisonment of resonance radiation in gases. Phys. Rev., 1951, 83(6):1159~1168
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