Analysis of the flyback effects on the serrodyne interferometric demodulation of fiber optic Bragg grating sensors

被引：5
|
作者：
Jorge, PAS
Ferreira, LA
Santos, JL
机构：
[1] INESC Porto, Unidade Optoelect & Sistemas Elect, P-4169 Porto, Portugal
[2] Univ Porto, Fac Ciencias, Dept Fis, P-4169 Porto, Portugal
来源：
OPTICAL ENGINEERING | 2000年 / 39卷 / 05期
关键词：
optical fiber sensors; fiber Bragg gratings; interferometric wavelength demodulation;
D O I：
10.1117/1.602510
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An analysis is performed of the degradation of the signal readout of fiber optic Bragg grating sensors demodulated using the serrodyne interferometric technique. Experimental results are presented that validate the analysis. It is also shown that synchronous detection of the interferometric signal referenced to the serrodyne waveform that modulates the phase of the readout interferometer allows the elimination of the system do offset introduced by the serrodyne flyback, (C) 2000 Society of Photo-Optical Instrumentation Engineers.
引用
收藏
页码：1399 / 1404
页数：6
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