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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 15 — Jul. 29, 2013
  • pp: 17576–17585

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

Qiangzhou Rong, Xueguang Qiao, Tuan Guo, Hangzhou Yang, Yanying Du, Dan Su, Ruohui Wang, Dingyi Feng, Manli Hu, and Zhongyao Feng  »View Author Affiliations

Optics Express, Vol. 21, Issue 15, pp. 17576-17585 (2013)

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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.

© 2013 OSA

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2420) Fiber optics and optical communications : Fibers, polarization-maintaining
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:

Original Manuscript: May 6, 2013
Revised Manuscript: June 21, 2013
Manuscript Accepted: June 21, 2013
Published: July 16, 2013

Qiangzhou Rong, Xueguang Qiao, Tuan Guo, Hangzhou Yang, Yanying Du, Dan Su, Ruohui Wang, Dingyi Feng, Manli Hu, and Zhongyao Feng, "Orientation-dependant inclinometer based on intermodal coupling of two-LP-modes in a polarization-maintaining photonic crystal fiber," Opt. Express 21, 17576-17585 (2013)

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