Very High Photorefractive Gain in Two-Beam Coupling
with Thin Iron-Doped LiNbO<suB>3</suB> Crystal

Chin. Phys. Lett.

1993, Vol. 10

Issue (4): 227-230 DOI:

Original Articles

Very High Photorefractive Gain in Two-Beam Coupling with Thin Iron-Doped LiNbO₃ Crystal

ZHANG Jingwen;SUN Wanjun;BIAN Shaoping;XU Kebin;SUN Guangyao;LI Minghua^*;XU Yuheng^*

Department of Applied Physics, Harbin Institute of Technology, Harbin 150006 ^*Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150006

Cite this article:

ZHANG Jingwen, SUN Wanjun, BIAN Shaoping et al 1993 Chin. Phys. Lett. 10 227-230

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Abstract The largest exponential gain coefficient ( Γ=250 cm^-1), to our knowledge, is obtained in thin (d=0.20mm) iron-doped LiNbO₃ crystal. The dependence of two-beam coupling coefficients on beam crossing angle are measured and compared in two samples fabricated from the same material with different values of thickness. The explanation based on light climbing effect is given.

Keywords: 42.65.-k 78.20.Wc

Published: 01 April 1993

PACS:	42.65.-k	(Nonlinear optics)
	78.20.Wc

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1993/V10/I4/0227

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	ZHANG Jingwen
	SUN Wanjun
	BIAN Shaoping
	XU Kebin
	SUN Guangyao
	LI Minghua
	XU Yuheng

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