A model of equivalent temperature of nonlinear-optical crystal under action of high power laser radiation

被引：0
|
作者：
Myasnikov, D. V. [1 ]
Konyashkin, A. V. [1 ]
Ryabushkin, O. A. [1 ]
机构：
[1] NTO IRE Polus, Fryazino 141190, Moscow Region, Russia
来源：
LAT 2010: INTERNATIONAL CONFERENCE ON LASERS, APPLICATIONS, AND TECHNOLOGIES | 2011年 / 7994卷
关键词：
Optical absorption coefficient; heat transfer coefficient; equivalent temperature; piezoelectric resonance; resonance acoustic spectroscopy; ELASTIC-CONSTANTS; RESONANCE METHOD;
D O I：
10.1117/12.880915
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A model of nonlinear-optical crystal heating is proposed that enables one to determine temperature distribution inside the sample under action of laser radiation from the measurements of internal crystal temperature. Absorption and heat transfer coefficient at crystal-air boundary are also determined. Crystal temperature is measured by analyzing changes of piezoelectric resonance frequencies of the sample.
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页数：9
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