A Modified ‘Position Dispersion’ Method for Nonlinear Refraction Index Measurement

Chin. Phys. Lett.

1994, Vol. 11

Issue (1): 20-23 DOI:

Original Articles

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

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TIAN Jianguo, ZANG Weiping, CHEN Jian et al 1994 Chin. Phys. Lett. 11 20-23

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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.

Keywords: 42.65.Jx 42.10.-s

Published: 01 January 1994

PACS:	42.65.Jx	(Beam trapping, self-focusing and defocusing; self-phase modulation)
	42.10.-s

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1994/V11/I1/020

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	TIAN Jianguo
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