Sensors 2010, 10(3), 1823-1845; doi:10.3390/s100301823
Review

Optical Fiber Sensing Based on Reflection Laser Spectroscopy

Gianluca Gagliardi1,* email, Mario Salza1 email, Pietro Ferraro1 email, Edmond Chehura2 email, Ralph P. Tatam2 email, Tarun K. Gangopadhyay3 email, Nicholas Ballard4 email, Daniel Paz-Soldan4 email, Jack A. Barnes4 email, Hans-Peter Loock4 email, Timothy T.-Y. Lam5 email, Jong H. Chow5 email and Paolo De Natale1 email
1 Consiglio Nazionale delle Ricerche, Istituto Nazionale di Ottica (INO), Via Campi Flegrei, 34 I-80078 Napoli, Italy 2 Engineering Photonics Group, School of Engineering, Cranfield University, Bedford MK43 OAL, UK 3 Central Glass & Ceramic Research Institute (CSIR), 196, Raja S.C.Mullick Road, Kolkata-700 032, India 4 Department of Chemistry, Queen’s University, Kingston, ON, K7L 3N6, Canada 5 Centre for Gravitational Physics, Research School of Physics and Engineering, Australian National University, Canberra, ACT 0200, Australia
* Author to whom correspondence should be addressed.
Received: 5 January 2010; in revised form: 3 February 2010 / Accepted: 5 February 2010 / Published: 5 March 2010
(This article belongs to the Special Issue Laser Spectroscopy and Sensing)
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Abstract: 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.
Keywords: Fiber Bragg gratings; fiber resonator; Pound-Drever-Hall method; frequency locking; laser-frequency modulation; high-birefringence fiber

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Cite This Article

MDPI and ACS Style

Gagliardi, G.; Salza, M.; Ferraro, P.; Chehura, E.; Tatam, R.P.; Gangopadhyay, T.K.; Ballard, N.; Paz-Soldan, D.; Barnes, J.A.; Loock, H.-P.; Lam, T.-Y.; Chow, J.H.; De Natale, P. Optical Fiber Sensing Based on Reflection Laser Spectroscopy. Sensors 2010, 10, 1823-1845.

AMA Style

Gagliardi G., Salza M., Ferraro P., Chehura E., Tatam R.P., Gangopadhyay T.K., Ballard N., Paz-Soldan D., Barnes J.A., Loock H.-P., Lam T.-Y., Chow J.H., De Natale P. Optical Fiber Sensing Based on Reflection Laser Spectroscopy. Sensors. 2010; 10(3):1823-1845.

Chicago/Turabian Style

Gagliardi, Gianluca; Salza, Mario; Ferraro, Pietro; Chehura, Edmond; Tatam, Ralph P.; Gangopadhyay, Tarun K.; Ballard, Nicholas; Paz-Soldan, Daniel; Barnes, Jack A.; Loock, Hans-Peter; Lam, Timothy T.-Y.; Chow, Jong H.; De Natale, Paolo. 2010. "Optical Fiber Sensing Based on Reflection Laser Spectroscopy." Sensors 10, no. 3: 1823-1845.

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