Electro-optic coefficients of lithium tantalate at near-infrared wavelengths

被引:38
作者
Casson, JL
Gahagan, KT
Scrymgeour, DA
Jain, RK
Robinson, JM
Gopalan, V
Sander, RK
机构
[1] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA
[2] Univ New Mexico, Ctr High Technol Mat, Albuquerque, NM 87106 USA
[3] Corning Inc, Corning, NY 14831 USA
[4] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA
[5] Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA
关键词
D O I
10.1364/JOSAB.21.001948
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The unclamped linear electro-optic coefficients r(13) and r(33) for lithium tantalate are known at only one wavelength, 632.8 nm, whereas the clamped coefficients are also known at 3.39 mum. In the unclamped mode the effects of mechanical changes caused by piezoelectric and elasto-optic effects are accounted for in the electro-optic coefficient. We demonstrate a novel technique that uses a ferroelectric domain micropatterned electro-optic deflector to measure the unclamped linear electro-optic coefficients r(13) and r(33) at any wavelength. Using this method, we have determined these values for lithium tantalate at 980, 1330, and 1558 nm. (C) 2004 Optical Society of America.
引用
收藏
页码:1948 / 1952
页数:5
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