MINIATURE LASER VIBROMETER SYSTEM WITH MULTIFUNCTION INTEGRATED OPTIC CIRCUIT

被引：4
|
作者：
SUCHOSKI, PG
WATERS, JP
FERNALD, MR
机构：
[1] United Technologies Research Center, East Hartford
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1990年 / 2卷 / 01期
关键词：
D O I：
10.1109/68.47050
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A miniature laser vibrometer system (LVS) is demonstrated which uses a proton-exchanged LiNbO3 multifunction integrated optic circuit for signal processing. The system uses a pigtailed 0.83 pm laser diode as the source and common-path interferometry to provide a phase-insensitive fiber-optic probe for monitoring moving or vibrating parts. The LVS provides 55 dB signal-to-noise ratio for 3 kHz bandwidth, even when monitoring parts with relatively low (1 percent) reflectivity. The optical components and all electronics are housed in an 11.5 × 10.5 × 4.2 cm package which operates from a ± 15 V, 300 mA supply. © 1990 IEEE
引用
收藏
页码：81 / 82
页数：2
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