Phase contrast method for measurment of birefringent axes orientation of polarization-maintaining fiber

Yongming Hu; Jichun Tan; Zhe Chen; Chun Zeng; Shenli Chang; Zhou Meng

doi:10.1117/12.252161

24 September 1996 Phase contrast method for measurment of birefringent axes orientation of polarization-maintaining fiber

Yongming Hu, Jichun Tan, Zhe Chen, Chun Zeng, Shenli Chang, Zhou Meng

Author Affiliations +

Proceedings Volume 2895, Fiber Optic Sensors V; (1996) https://doi.org/10.1117/12.252161
Event: Photonics China '96, 1996, Beijing, China

Abstract

In the paper, we gave a phase contrast method to measure the birefringent axis orientation in polarization-maintaining fiber (PMF) with matching refractive-index (MRI). The phase contrast intensity profiles in PANDA fiber and distinguishing characteristics were obtained by image analysis of side view image systems. Experiments and computer simulation showed that the difference between two crests of intensity profile was not only used for determining angular orientation but also for determining the direction of rotation. The angular resolution of orientation was less than 2 degrees in phase contrast method. The difference between geometric and birefringent axes in PMF would be the limit of accuracy in side view image system.

Citation Download Citation

Yongming Hu, Jichun Tan, Zhe Chen, Chun Zeng, Shenli Chang, and Zhou Meng "Phase contrast method for measurment of birefringent axes orientation of polarization-maintaining fiber", Proc. SPIE 2895, Fiber Optic Sensors V, (24 September 1996); https://doi.org/10.1117/12.252161

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