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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 10, Iss. 6 — Jun. 10, 2012
  • pp: 060601–

Dual-source distributed optical fiber sensor for simultaneous temperature and strain measurements

Fuchang Chen, Jiacheng Hu, Chengtao Zhang, and Zunqi Lin  »View Author Affiliations


Chinese Optics Letters, Vol. 10, Issue 6, pp. 060601- (2012)


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Abstract

A dual-source distributed optical fiber sensor system with combined Raman and Brillouin scatterings is designed for simultaneous temperature and strain measurements. The optimal Raman and Brillouin signals can be separately obtained by adjusting the powers of the two sources using an optical switch. The temperature and strain can be determined by processing the optimal Raman and Brillouin signals. The experimental result shows that 1.7 °C temperature resolution and 60-με strain resolution can be achieved at a 24.7-km distance.

© 2012 Chinese Optics Letters

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(290.5830) Scattering : Scattering, Brillouin
(290.5860) Scattering : Scattering, Raman

ToC Category:
Fiber Optics and Optical Communications

Citation
Fuchang Chen, Jiacheng Hu, Chengtao Zhang, and Zunqi Lin, "Dual-source distributed optical fiber sensor for simultaneous temperature and strain measurements," Chin. Opt. Lett. 10, 060601- (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-6-060601

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