COHERENCE LENGTH MODULATION OF A MULTIMODE LASER DIODE IN A DUAL MICHELSON INTERFEROMETER CONFIGURATION

被引:5
作者
NING, YN
GRATTAN, KTV
PALMER, AW
MEGGITT, BT
机构
[1] Measurement and Instrumentation Centre, Department of Electrical, Electronic and Information Engineering City University, London, EC1V OHB, Northampton Square
来源
APPLIED OPTICS | 1992年 / 31卷 / 09期
关键词
D O I
10.1364/AO.31.001322
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The use of a multimode (compact-disk type) laser diode in a dual Michelson interferometer arrangement is investigated, both theoretically and experimentally, by using the technique of coherence length modulation. A reproducible way of shifting the interference regions is considered for the potential use of the technique in optical sensors, for flow or distance measurement.
引用
收藏
页码:1322 / 1327
页数:6
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