A low-cost, optical feedback laser range-finder with chirp-control

被引：0
|
作者：
Bosch, T [1 ]
Pavageau, S [1 ]
D'Alessandro, D [1 ]
Servagent, N [1 ]
Annovazzi-Lodi, V [1 ]
Donati, S [1 ]
机构：
[1] ENSEEIHT, LEN7, F-31071 Toulouse 7, France
来源：
IMTC/2001: PROCEEDINGS OF THE 18TH IEEE INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE, VOLS 1-3: REDISCOVERING MEASUREMENT IN THE AGE OF INFORMATICS | 2001年
关键词：
optical distance measurement; semiconductor laser; laser sensor; interferometry; ranging; optical feedback;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A new laser range finder using optical feedback interferometry and wavelength sweep has been developed. Our aim was to design a high-accuracy sensor for opration on short distances, using a low-cost Mach-Zender interferometer to separately measure the chirp of the laser. Experimentally, on a plain diffusing target, at a 10-cm distance, we were able to demonstrate an accuracy of 100 mum. Projected accuracy is down to 20-50 mum.
引用
收藏
页码：1070 / 1074
页数：5
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