Measurement of temperature and strain distribution by Brillouin frequency shift in silica optical fibers

Tsuneo Horiguchi; Toshio Kurashima; Yahei Koyamada

Measurement of temperature and strain distribution by Brillouin frequency shift in silica optical fibers

Tsuneo Horiguchi, Toshio Kurashima, Yahei Koyamada

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This paper describes the principles and recent development of a new technique for measuring temperature and strain distribution using Brillouin backscattering rather than Rayleigh and Raman backscattering. The technique is based on temperature- and strain-induced changes in the Brillouin frequency shift. Experimental sensitivities of 1.2 MHz/K and 5.8 MHz/10^-4 strain are demonstrated at a wavelength of 1.32 μm. Two approaches for measuring the weak Brillouin line are discussed.

Original language	English
Title of host publication	Proceedings of SPIE - The International Society for Optical Engineering
Publisher	Publ by Int Soc for Optical Engineering
Pages	2-13
Number of pages	12
ISBN (Print)	0819409766
Publication status	Published - 1993 Jan 1
Event	Distributed and Multiplexed Fiber Optic Sensors II - Boston, MA, USA Duration: 1992 Sept 10 → 1992 Sept 11

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	1797
ISSN (Print)	0277-786X

Other

Other	Distributed and Multiplexed Fiber Optic Sensors II
City	Boston, MA, USA
Period	92/9/10 → 92/9/11

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Cite this

Horiguchi, T., Kurashima, T., & Koyamada, Y. (1993). Measurement of temperature and strain distribution by Brillouin frequency shift in silica optical fibers. In Proceedings of SPIE - The International Society for Optical Engineering (pp. 2-13). (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 1797). Publ by Int Soc for Optical Engineering.

Measurement of temperature and strain distribution by Brillouin frequency shift in silica optical fibers. / Horiguchi, Tsuneo; Kurashima, Toshio; Koyamada, Yahei.

Proceedings of SPIE - The International Society for Optical Engineering. Publ by Int Soc for Optical Engineering, 1993. p. 2-13 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 1797).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Horiguchi, T, Kurashima, T & Koyamada, Y 1993, Measurement of temperature and strain distribution by Brillouin frequency shift in silica optical fibers. in Proceedings of SPIE - The International Society for Optical Engineering. Proceedings of SPIE - The International Society for Optical Engineering, vol. 1797, Publ by Int Soc for Optical Engineering, pp. 2-13, Distributed and Multiplexed Fiber Optic Sensors II, Boston, MA, USA, 92/9/10.

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AB - This paper describes the principles and recent development of a new technique for measuring temperature and strain distribution using Brillouin backscattering rather than Rayleigh and Raman backscattering. The technique is based on temperature- and strain-induced changes in the Brillouin frequency shift. Experimental sensitivities of 1.2 MHz/K and 5.8 MHz/10-4 strain are demonstrated at a wavelength of 1.32 μm. Two approaches for measuring the weak Brillouin line are discussed.

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Measurement of temperature and strain distribution by Brillouin frequency shift in silica optical fibers

Abstract

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