PARTIALLY MULTIPLEXING SENSOR NETWORK EXPLOITING LOW COHERENCE INTERFEROMETRY

被引：17

作者：

LIU, TY ^{[1
]}

CORY, J ^{[1
]}

JACKSON, DA ^{[1
]}

机构：

[1] SHANDONG LASER INST, JINING, PEOPLES R CHINA

来源：

APPLIED OPTICS | 1993年 / 32卷 / 07期

关键词：

D O I：

10.1364/AO.32.001100

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A partially multiplexed fiber-optic-based sensor network based on low coherence interferometry is reported for which the scanning interferometer simultaneously sweeps the coherence-matched region of each sensor. The advantage of this approach is that the signal-to-noise ratio is maximized while the cross talk between sensors is minimized. The normal requirement that each sensor must be fabricated with a different length also does not apply. The concept is demonstrated by multiplexing two bulk optic Michelson interferometers. A resolution of approximately 50 nm with an operational range of 200 mum was achieved in the prototype system.

引用

页码：1100 / 1103

页数：4

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