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

页码：81 / 82

页数：2

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