MEASUREMENT OF NONDEGENERATE NONLINEARITIES USING A 2-COLOR Z-SCAN

被引：167
|
作者：
SHEIKBAHAE, M
WANG, J
DESALVO, R
HAGAN, DJ
VANSTRYLAND, EW
机构：
[1] Center for Research in Electro-Optics and Lasers, University of Central Florida, Orlando, FL
来源：
OPTICS LETTERS | 1992年 / 17卷 / 04期
关键词：
D O I：
10.1364/OL.17.000258
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simple dual-wavelength (two-color) Z-scan geometry is demonstrated for measuring nonlinearities at frequency omega(p) owing to the presence of light at omega(e). This technique gives the nondegenerate two-photon absorption (2PA) coefficient beta(omega(p); omega(e)) and the nondegenerate nonlinear refractive index n2(omega(p); omega(e)), i.e., cross-phase modulation. We demonstrate this technique on CS2 for n2 and on ZnSe where 2PA and n2 are present simultaneously.
引用
收藏
页码：258 / 260
页数：3
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