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Experimental investigation of a 4-FBG TDM sensor array with a tunable laser source

✍ Scribed by C. C. Chan; W. Jin; M. S. Demokan

Publisher: John Wiley and Sons
Year: 2002
Tongue: English
Weight: 97 KB
Volume: 33
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.10343

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✦ Synopsis

Abstract

The performance of a time‐division‐multiplexed fiber Bragg grating sensor array that uses a tunable laser source has been investigated. It was found that the wavelength detection accuracy is affected by the extinction ratio of the optical pulse modulator used for input pulse generation. Experiments with a 4‐FBG sensor array demonstrated a strain resolution of 0.7 με with an optical pulse modulator of −24‐dB extinction ratio. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 33: 435–437, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10343

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