Real time chirp control of an external-cavity semiconductor laser for absolute distance measurement

被引：0

作者：

Bosch, T ^{[1
]}

Servagent, N ^{[1
]}

机构：

[1] Ecole Mines, Dept Automat Control & Prod Syst, F-44307 Nantes 3, France

来源：

LASER INTERFEROMETRY X: TECHNIQUES AND ANALYSIS AND APPLICATIONS, PTS A AND B | 2000年 / 4101卷

关键词：

semiconductor laser; optical feedback; distance measurement; optical sensor; laser range finder;

D O I：

暂无

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A new laser range finder using optical feedback interferometry has been developed. Our purpose is to design a high-accuracy sensor for short distances, the principle being based on the use of a Mach-Zender interferometer to control the chirp of the laser diode. Experimentally, a distance to the target of 10 cm with an accuracy of+/-50 mum has been determined.

引用

页码：350 / 359

页数：10

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