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Optics Express

Optics Express

  • Editor: Micha
  • Vol. 13, Iss. 23 — Nov. 14, 2005
  • pp: 9472–9479

Pulse width dependence of Brillouin frequency in single mode optical fibers

Seok-Beom Cho, Young-Gyu Kim, Jin-Seok Heo, and Jung-Ju Lee  »View Author Affiliations

Optics Express, Vol. 13, Issue 23, pp. 9472-9479 (2005)

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Stimulated Brillouin scattering in optical fibers can be used to measure strain or temperature in a distributed manner. Brillouin optical time domain analysis (BOTDA) is the most common sensor system based on the Brillouin scattering. This paper presents the experimental analysis of the characteristics of Brillouin gain spectrum (BGS) influenced by the width of launched pulse. Brillouin strain coefficient is also examined for the different pulse widths, which is important to apply a Brillouin scattering-based sensor to a structural health monitoring. Experimental results showed that not only the Brillouin linewidth and gain but also the Brillouin frequency were dependent on the pulse widths.

© 2005 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(290.5830) Scattering : Scattering, Brillouin

ToC Category:
Research Papers

Original Manuscript: August 25, 2005
Revised Manuscript: October 30, 2005
Published: November 14, 2005

Seok-Beom Cho, Young-Gyu Kim, Jin-Seok Heo, and Jung-Ju Lee, "Pulse width dependence of Brillouin frequency in single mode optical fibers," Opt. Express 13, 9472-9479 (2005)

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