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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 5 — May. 1, 2012
  • pp: 912–915

High sensitivity gas refractometer based on all-fiber open-cavity Fabry–Perot interferometer formed by large lateral offset splicing

De-wen Duan, Yun-jiang Rao, and Tao Zhu  »View Author Affiliations


JOSA B, Vol. 29, Issue 5, pp. 912-915 (2012)
http://dx.doi.org/10.1364/JOSAB.29.000912


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Abstract

A compact, all-fiber, open-cavity Fabry–Perot interferometer gas refractometer formed by fusion splicing a short section of single-mode fiber (SMF) between two sections of SMFs with a large lateral offset is proposed. Only simple fabrication steps including cleaving and fusion splicing are involved, so the fabrication is easy, safe, and cost effective. Such fabricated sensors have been successfully demonstrated as gas refractometers having a refractive index response of high sensitivity (1540 nm/RIU), good linearity, and high repeatability. Temperature evaluations also show that this kind of interferometer has a very low thermal sensitivity.

© 2012 Optical Society of America

OCIS Codes
(050.2230) Diffraction and gratings : Fabry-Perot
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.3940) Instrumentation, measurement, and metrology : Metrology
(230.1150) Optical devices : All-optical devices

ToC Category:
Optical Devices

History
Original Manuscript: August 2, 2011
Revised Manuscript: December 16, 2011
Manuscript Accepted: December 21, 2011
Published: April 6, 2012

Citation
De-wen Duan, Yun-jiang Rao, and Tao Zhu, "High sensitivity gas refractometer based on all-fiber open-cavity Fabry–Perot interferometer formed by large lateral offset splicing," J. Opt. Soc. Am. B 29, 912-915 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-5-912


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