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Optics Express

Optics Express

  • Vol. 16, Iss. 16 — Aug. 4, 2008
  • pp: 12148–12153

Proposal of Brillouin optical correlation-domain reflectometry (BOCDR)

Yosuke Mizuno, Weiwen Zou, Zuyuan He, and Kazuo Hotate  »View Author Affiliations

Optics Express, Vol. 16, Issue 16, pp. 12148-12153 (2008)

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We propose a Brillouin optical correlation-domain reflectometry (BOCDR), which can measure the distribution of strain and/or temperature along an optical fiber from a single end, by detecting spontaneous Brillouin scattering with controlling the interference of continuous lightwaves. In a pulse-based conventional Brillouin optical time-domain reflectometry (BOTDR), it is difficult in principle to achieve a spatial resolution less than 1 m, and the measurement time is as long as 5-10 minutes. On the contrary, the continuous-wave-based BOCDR can exceed the limit of 1-m resolution, and realize much faster measurement and random access to measuring positions. Spatial resolution of 40 cm was experimentally demonstrated with sampling rate of 50 Hz.

© 2008 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(290.5830) Scattering : Scattering, Brillouin
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 2, 2008
Revised Manuscript: July 24, 2008
Manuscript Accepted: July 25, 2008
Published: July 29, 2008

Yosuke Mizuno, Weiwen Zou, Zuyuan He, and Kazuo Hotate, "Proposal of Brillouin optical correlation-domain reflectometry (BOCDR)," Opt. Express 16, 12148-12153 (2008)

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