All-optical acousto-optic method for determination of photo-elastic constants of optical materials

被引：1

作者：

Filkins, RJ ^{[1
]}

Saulnier, GJ ^{[1
]}

Das, PK ^{[1
]}

机构：

[1] GE Co, Global Res Lab, Niskayuna, NY USA

来源：

OPTICAL DIAGNOSTIC METHODS FOR INORGANIC MATERIALS III | 2003年 / 5192卷

关键词：

acousto-optics; laser generated ultrasound; photo-elastic effects;

D O I：

10.1117/12.506561

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We report on an all-optical method to determine the photo-elastic constants of optical materials. The two-laser techinique is based on a combination of the acousto-optic effect and the laser generation of ultrasound. The laser generated ultrasonic wave produces a Raman-Nath type diffraction. The diffraction efficiency is proportional to the photo-elastic constants of the material investigated. The constants are determined by careful analysis of the diffraction signals obtained from a stack comprising an unknown material and a reference material.

引用

页码：19 / 29

页数：11

共 11 条

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