Gagliardi, Gianluca and Salza, Mario and Ferraro, Pietro and Chehura, Edmond and Tatam, Ralph P. and Gangopadhyay, Tarun Kumar and Ballard, Nicholas and Paz-Soldan, Daniel and Barnes, Jack A. and Loock, Hans-Peter and Lam, Timothy T. -Y. and Chow, Jong H. and De Natale, Paolo (2010) Optical Fiber Sensing Based on Reflection Laser Spectroscopy. SENSORS, 10 (3). pp. 1823-1845. ISSN 1424-8220

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An overview on high-resolution and fast interrogation of optical-fiber sensors relying on laser reflection spectroscopy is given. Fiber Bragg-gratings (FBGs) and FBG resonators built in fibers of different types are used for strain, temperature and acceleration measurements using heterodyne-detection and optical frequency-locking techniques. Silica fiber-ring cavities are used for chemical sensing based on evanescent-wave spectroscopy. Various arrangements for signal recovery and noise reduction, as an extension of most typical spectroscopic techniques, are illustrated and results on detection performances are presented.

Item Type: Article
Uncontrolled Keywords: Fiber Bragg gratings; fiber resonator; Pound-Drever-Hall method; frequency locking; laser-frequency modulation; high-birefringence fiber
Subjects: Processing Science
Depositing User: Bidhan Chaudhuri
Date Deposited: 10 Feb 2012 10:51
Last Modified: 28 Mar 2018 09:34

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