Dual-probe homodyne quadrature laser interferometer

被引：0
|
作者：
Pozar, Tomaz [1 ]
Mozina, Janez [1 ]
机构：
[1] Univ Ljubljana, Fac Mech Engn, Ljubljana 1000, Slovenia
来源：
APPLIED OPTICS | 2012年 / 51卷 / 18期
关键词：
WAVES;
D O I：
10.1364/AO.51.004021
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present a dual-probe homodyne quadrature laser interferometer for the measurements of displacement at two separate spatial locations. This is a coupled homodyne interferometer with inverted polarity of probe signals featuring a wide dynamic range and constant sensitivity. As an application of this dual-probe interferometer, we demonstrate how to locate the pulsed-laser interaction site on a plate without knowing the propagation velocities of the laser-induced mechanical waves. (C) 2012 Optical Society of America
引用
收藏
页码：4021 / 4027
页数：7
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