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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 17 — Aug. 21, 2006
  • pp: 7594–7603

Intra-cavity fiber laser technique for high accuracy birefringence measurement

Ning Li, Fei Luo, Selim Unlu, T.F. Morse, Juan Hernández-Cordero, James Battiato, and Ding Wang  »View Author Affiliations

Optics Express, Vol. 14, Issue 17, pp. 7594-7603 (2006)

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When a device under test (DUT) with birefringence is placed within a laser cavity two distinct sets of orthogonally polarized longitudinal modes will result. If the output of the laser is sent through a 45° linear polarizer, polarization mode beating (PMB) between these two sets of longitudinal modes can be detected. We demonstrate the relation between PMB and the birefringence of the DUT and show that by tracking the PMB it provides a sensitive measurement of the birefringence of the device. We first examined the birefringence of a polarization maintaining fiber and then measured the birefringence of a chirped fiber grating 1.0 m in length. For comparison, birefringence measurements were performed using a polarization analyzer.

© 2006 Optical Society of America

OCIS Codes
(060.2270) Fiber optics and optical communications : Fiber characterization
(140.3510) Lasers and laser optics : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: March 3, 2006
Revised Manuscript: June 15, 2006
Manuscript Accepted: June 25, 2006
Published: August 21, 2006

Ning Li, Fei Luo, Selim Unlu, T. F. Morse, Juan Hernandez-Cordero, James Battiato, and Ding Wang, "Intra-cavity fiber laser technique for high accuracy birefringence measurement," Opt. Express 14, 7594-7603 (2006)

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