In-line fiber optic polarimeter using a fused 1x5 star coupler

Shing M. Lee; Wei Ping Pan; Changjie Yang

doi:10.1117/12.255345

25 October 1996 In-line fiber optic polarimeter using a fused 1 x 5 star coupler

Shing M. Lee, Wei Ping Pan, Changjie Yang

Proceedings Volume 2839, Fiber Optic and Laser Sensors XIV; (1996) https://doi.org/10.1117/12.255345
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

A division-of-aperture in-line fiber-optic photopolarimeter using a 1 by 5 fused fiberoptic star coupler has been demonstrated. All five output beams of the star coupler have nearly identical states of polarization except that they have unknown orientations of optical axes. The photopolarimeter output is taken from one of the star coupler output beams, whose state of polarization is measured from the other four beams. The construction of the in-line photopolarimeter is identical to that of conventional ones except that the linear and circular analyzers are aligned with the respective beam optical axes determined from calibration. Such a system is compact, light weight, efficient, robust and inexpensive. The new photopolarimeter agrees within one percent with a HP 8509A off-line photopolarimeter.

Citation Download Citation

Shing M. Lee, Wei Ping Pan, and Changjie Yang "In-line fiber optic polarimeter using a fused 1 x 5 star coupler", Proc. SPIE 2839, Fiber Optic and Laser Sensors XIV, (25 October 1996); https://doi.org/10.1117/12.255345

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