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
收藏
页码：350 / 359
页数：10
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