A Modified ‘Position Dispersion’ Method for Nonlinear Refraction Index Measurement
TIAN Jianguo, ZANG Weiping, CHEN Jian, MA Chao, ZHANG Guangyin
Department of Physics, Nankai University, Tianjin 300071
A Modified ‘Position Dispersion’ Method for Nonlinear Refraction Index Measurement
TIAN Jianguo;ZANG Weiping;CHEN Jian;MA Chao;ZHANG Guangyin
Department of Physics, Nankai University, Tianjin 300071
关键词 ：
42.65.Jx ,
42.10.-s
Abstract ： In this report, a modified ‘position dispersion’ method, in which the detecting aperture in the far-field is replaced by a circular board, is given to enhance the measurement sensitivity of nonlinear index, while keeps the simplicity. An increase of 5 times in sensitivity is obtained in our experiment, in which we employed a solution to produce the thermally induced nonlinearity.
Key words ：
42.65.Jx
42.10.-s
出版日期: 1994-01-01
:
42.65.Jx
(Beam trapping, self-focusing and defocusing; self-phase modulation)
42.10.-s
引用本文:
TIAN Jianguo;ZANG Weiping;CHEN Jian;MA Chao;ZHANG Guangyin
. A Modified ‘Position Dispersion’ Method for Nonlinear Refraction Index Measurement
[J]. 中国物理快报, 1994, 11(1): 20-23.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1994/V11/I1/20
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