Realization of fiber-based laser Doppler vibrometer with serrodyne frequency shifting

被引：17

作者：

Li, Yanlu ^{[1
]}

Meersman, Stijn ^{[1
]}

Baets, Roel ^{[1
]}

机构：

[1] Univ Ghent, Photon Res Grp, Dept Informat Technol, Interuniv Microelekt Ctr, B-9000 Ghent, Belgium

来源：

APPLIED OPTICS | 2011年 / 50卷 / 17期

关键词：

INSULATOR WAVE-GUIDES; SILICON CHIP; COMPACT; INTERFEROMETER; TRANSLATION; VELOCIMETER; MODULATORS; DESIGN; POWER;

D O I：

10.1364/AO.50.002809

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a laser Doppler vibrometer (LDV) based on the serrodyne frequency shifting technique. A proof-of-principle system is implemented on the basis of fiber-optic components but opens the way toward an ultracompact integrated LDV system on a silicon chip. With a low laser power of 50 mu W, the serrodyne LDV was able to measure submicrometer vibrations with frequencies in the audio range. (C) 2011 Optical Society of America

引用

页码：2809 / 2814

页数：6

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