A heterodyne laser interferometer for dilatometer measurements

被引:0
|
作者
V. P. Kulesh
L. M. Moskalik
A. A. Sharov
机构
[1] Central Aerodynamic Institute (TsAGI),
[2] Lytkarino Optical Glass Factory,undefined
来源
Measurement Techniques | 2009年 / 52卷
关键词
dilatometer; heterodyne laser interferometer; temperature coefficient of linear expansion; electrooptical modulator;
D O I
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中图分类号
学科分类号
摘要
A dilatometer measuring system based on heterodyne laser interferometry is described. An electrooptical light modulator based on the double transverse Pockels electrooptical effect in a crystal of lithium niobate and operating in the quarter-wave mode is used as the optical heterodyne. The electronic measuring system uses modern microelectronic components with a high degree of integration.
引用
收藏
页码:1319 / 1327
页数:8
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