Application of cladding modes of optical fibers for sensing: review of recent developments

Oleg V. Ivanov

doi:10.1117/12.881086

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7 February 2011 Application of cladding modes of optical fibers for sensing: review of recent developments

Oleg V. Ivanov

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Proceedings Volume 7994, LAT 2010: International Conference on Lasers, Applications, and Technologies; 79941E (2011) https://doi.org/10.1117/12.881086
Event: International Conference on Coherent and Nonlinear Optics (ICONO 2010) and International Conference on Lasers, Applications and Technologies (LAT 2010), 2010, Kazan, Russian Federation

Abstract

This report presents a review of recent developments in the investigation of propagation, excitation, and interaction of cladding modes in optical fibers used for sensing. The use of fiber cladding modes broadens the range of possible applications of fiber optical sensors. The cladding mode resonance excited by fiber Bragg gratings, in particular tilted Bragg gratings, is discussed. The most commonly used method of excitation of cladding modes based on long-period fiber gratings is considered. We describe applications of long-period fiber gratings as sensors of strain, temperature, refractive index, chemical composition, twist, etc. Propagation of cladding modes in fiber interferometers and cascaded long-period fiber gratings is analyzed.

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Oleg V. Ivanov "Application of cladding modes of optical fibers for sensing: review of recent developments", Proc. SPIE 7994, LAT 2010: International Conference on Lasers, Applications, and Technologies, 79941E (7 February 2011); https://doi.org/10.1117/12.881086

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