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Fiber Bragg grating sensor network based on code division multiple access using a reflective semiconductor optical amplifier

✍ Scribed by Jongkyung Ko; Youngbok Kim; Chang-Soo Park

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 265 KB
Volume: 52
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.24913

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✦ Synopsis

Abstract

We propose a multiplexed fiber Bragg grating sensor network based on code division multiple access (CDMA) using a self‐injection locked reflective semiconductor optical amplifier. The proposed system shows improved scanning time without requiring a tunable laser source or a Fabry‐Perot filter. CDMA was used to separate each reflected sensor signal and it shows a high dynamic range of over 40°C and a crosstalk ratio of 27.7:1. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 378–381, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24913

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