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.

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页码：258 / 260

页数：3

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