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The interrogation system for FBG sensing based on the InGaAs linear image sensor

โœ Scribed by Guoyu Li; Hao Zhang; Bo Liu; Jian Zhang; ShuZhong Yuan; Guiyun Kai; Xiaoyi Dong

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
522 KB
Volume
50
Category
Article
ISSN
0895-2477

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โœฆ Synopsis

Abstract

This article presents an interrogation system based on the InGaAs linear image sensor. By applying SDM and WDM techniques, the interrogation system based on the InGaAs linear image sensor is designed and the system performance is analyzed. Experimental results show that the interrogation system can be used to interrogate the FBG sensors with wavelength bandwidth of 42 nm, SNR of 43 dB, wavelength accuracy of ยฑ10 pm, and wavelength stability of ยฑ15 pm. The system shows a good prospect for smart sensing. ยฉ 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1101โ€“1104, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23282

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