Photorefractive Effect of Fe:KLN Crystal-Reference-Cited by-同舟云学术

Photorefractive Effect of Fe:KLN Crystal

Published:2003-09-10 Issue:20n21 Volume:17 Page:1127-1133
ISSN:0217-9849
Container-title:Modern Physics Letters B
language:en
Short-container-title:Mod. Phys. Lett. B

Author:

Xu Wusheng¹,Zhen Xihe²,Xu Zhaopeng¹,Xu Yuheng¹

Affiliation:

1. Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China

2. School of Material Science and Engineering, Harbin Institute of Technology, Harbin 150001, China

Abstract

We have grown KLN and Fe:KLN crystals using the TSSG method. The crystal lattice constants are measured by the X-ray diffraction technique and the crystal optical absorption edges are characterized by an ultraviolet-visible absorption spectrum measurement. The results show that the absorption edge of the Fe:KLN crystal shifts to the longer wavelengths compared with that of the KLN crystal. The exponential gain coefficient and erasure time are examined by two-beam coupling experiment. The results indicate that the exponential gain coefficient of Fe:KLN crystal is twice as large as that of the KLN crystal, and the photoconductivity of the Fe:KLN is three orders of magnitude higher than that of KLN. The enhancement of photorefractive properties of Fe:KLN crystal is also discussed.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217984903006128

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