Orientation-dependant inclinometer based on intermodal coupling of two-LP-modes in a polarization-maintaining photonic crystal fiber | Zendy

Qiangzhou Rong | Zendy; Xueguang Qiao | Zendy; Tuan Guo | Zendy; Hangzhou Yang | Zendy; Yanying Du | Zendy; Dan Su | Zendy; Ruohui Wang | Zendy; Dingyi Feng | Zendy; Manli Hu | Zendy; Zhongyao Feng | Zendy

Open Access

Orientation-dependant inclinometer based on intermodal coupling of two-LP-modes in a polarization-maintaining photonic crystal fiber

Author(s) -

Qiangzhou Rong,

Xueguang Qiao,

Tuan Guo,

Hangzhou Yang,

Yanying Du,

Dan Su,

Ruohui Wang,

Dingyi Feng,

Manli Hu,

Zhongyao Feng

Publication year - 2013

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.21.017576

Subject(s) - photonic crystal fiber , optics , materials science , polarization (electrochemistry) , polarization maintaining optical fiber , offset (computer science) , optical fiber , physics , fiber optic sensor , chemistry , computer science , programming language

A reflective optic-fiber orientation-dependant inclinometer, in which a short piece of polarization-maintaining photonic crystal fiber (PM-PCF) is spliced with a lead-in single mode fiber (SMF) without any offset, is proposed and experimentally demonstrated. The hollow holes within the PM-PCF are partly collapsed due to the directional arc-heating splicing and couple two linearly polarized (LP) modes into the downstream PM-PCF. Then two LP-modes are reflected at the end face of PM-PCF and recoupled back into the lead-in SMF again via the collapsed splicing cross section. A well-defined interference pattern is obtained as the result of polarized modes interference. Both orientation and sensitivity of bending is determined unambiguously with this compact PM-PCF configuration.

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