The temperature sensitivity of Sagnac loop interferometer based on polarization maintaining side-hole fiber | Zendy

Dae Seung Moon | Zendy; Bok Hyeon Kim | Zendy; Aoxiang Lin | Zendy; Guoyong Sun | Zendy; YoungGeun Han | Zendy; WonTaek Han | Zendy; Youngjoo Chung | Zendy

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The temperature sensitivity of Sagnac loop interferometer based on polarization maintaining side-hole fiber

Author(s) -

Dae Seung Moon,

Bok Hyeon Kim,

Aoxiang Lin,

Guoyong Sun,

YoungGeun Han,

WonTaek Han,

Youngjoo Chung

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.007962

Subject(s) - optics , birefringence , interferometry , materials science , polarization (electrochemistry) , fibre optic gyroscope , optical fiber , thermal expansion , sensitivity (control systems) , refractive index , physics , chemistry , metallurgy , electronic engineering , engineering

The temperature sensitivity of modal birefringence (dB/dT) of different types of polarization-maintaining fibers with side holes was measured using a Sagnac loop interferometer. The thermal expansion coefficient can be varied by controlling the amount of germanium doped in the core region. Using this method, dB/dT could be made higher (~10(-7)/ degrees C) than that of standard PMFs (~10(-8)/ degrees C) or comparable to that of standard PMFs (~10(-9)/ degrees C).

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