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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 2 — Jan. 15, 2010
  • pp: 193–195

Truly distributed birefringence measurement of polarization-maintaining fibers based on transient Brillouin grating

Yongkang Dong, Liang Chen, and Xiaoyi Bao  »View Author Affiliations


Optics Letters, Vol. 35, Issue 2, pp. 193-195 (2010)
http://dx.doi.org/10.1364/OL.35.000193


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Abstract

We report on what we believe to be the first truly distributed birefringence measurement of polarization-maintaining fibers (PMFs) based on transient Brillouin grating (TBG). A TBG is created by two short pump pulses in the slow axis of the PMF, and then the birefringence-related TBG spectrum is mapped by scanning a probe pulse launched in the fast axis, where the local birefringence can be calculated using the birefringence induced frequency shift. Two types of widely used PMFs, bow-tie and panda, with a length of 8 m were measured at a spatial resolution of 20 cm, and the results show that the birefringence features a periodic variation, and their variation ranges are 2.4 × 10 6 and 1.3 × 10 6 along the test fibers, respectively.

© 2010 Optical Society of America

OCIS Codes
(060.2420) Fiber optics and optical communications : Fibers, polarization-maintaining
(290.5900) Scattering : Scattering, stimulated Brillouin

ToC Category:
Scattering

History
Original Manuscript: October 22, 2009
Revised Manuscript: December 4, 2009
Manuscript Accepted: December 7, 2009
Published: January 13, 2010

Citation
Yongkang Dong, Liang Chen, and Xiaoyi Bao, "Truly distributed birefringence measurement of polarization-maintaining fibers based on transient Brillouin grating," Opt. Lett. 35, 193-195 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-2-193


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