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A low cost fiber grating sensor demodulator using a temperature compensated fiber grating spectral filter
被引：6
作者：
Udd, E
Corona, K
Dorr, J
Slattery, K
机构：
来源：
THIRD PACIFIC NORTHWEST FIBER OPTIC SENSOR WORKSHOP
|
1997年
/
3180卷
关键词：
D O I：
10.1117/12.285606
中图分类号：
O43 [光学];
学科分类号：
070207 ;
0803 ;
摘要：
A simple, potentially low cost fiber grating demodulation is described that can be used to measure very fast strain events. The unit consists of a broadband light emitting diode light source that is used to illuminate a fiber grating, The narrow band reflected light signal is directed toward a broadband chirped fiber grating whose tranmsission and reflection is monitored by a pair of receivers. The ratioed output can be used to monitor fast events. An example of using this sensor to support impact testing is given.
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页码：63 / 66
页数：4
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