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

Tsuneo Horiguchi, Toshio Kurashima, Yahei Koyamada

研究成果: Conference contribution

38 被引用数 (Scopus)

抄録

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.

本文言語English
ホスト出版物のタイトルProceedings of SPIE - The International Society for Optical Engineering
出版社Publ by Int Soc for Optical Engineering
ページ2-13
ページ数12
ISBN(印刷版)0819409766
出版ステータスPublished - 1993 1 1
イベントDistributed and Multiplexed Fiber Optic Sensors II - Boston, MA, USA
継続期間: 1992 9 101992 9 11

出版物シリーズ

名前Proceedings of SPIE - The International Society for Optical Engineering
1797
ISSN(印刷版)0277-786X

Other

OtherDistributed and Multiplexed Fiber Optic Sensors II
CityBoston, MA, USA
Period92/9/1092/9/11

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • コンピュータ サイエンスの応用
  • 応用数学
  • 電子工学および電気工学

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