Intensity dependence and white-light gating of two-color photorefractive gratings in LiNbO3

被引：59

作者：

Guenther, H ^{[1
]}

Wittmann, G ^{[1
]}

Macfarlane, RM ^{[1
]}

Neurgaonkar, RR ^{[1
]}

机构：

[1] ROCKWELL INT CORP,THOUSAND OAKS,CA 91360

来源：

OPTICS LETTERS | 1997年 / 22卷 / 17期

关键词：

D O I：

10.1364/OL.22.001305

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Photorefractive gratings have been written in Pr:LiNbO3 by use of a diode laser for writing and of filtered white light (390-520 nm) as a gating source. The gating light increases the writing efficiency by more than 3 orders of magnitude, and the two-step writing process provides nondestructive readout. The material sensitivity for two-color writing rises strongly for gating wavelengths near the bandgap and approaches that of Fe-doped lithium niobate at power densities of a few watts per square centimeter. In addition, we show that the dynamic range of the recording process is strongly dependent on the writing intensity. (C) 1997 Optical Society of America.

引用

页码：1305 / 1307

页数：3

共 13 条

[1] HOLOGRAPHIC PATTERN FIXING IN ELECTRO-OPTIC CRYSTALS [J].