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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 8 — Mar. 10, 2012
  • pp: 1033–1036

Microbubble based fiber-optic Fabry–Perot interferometer formed by fusion splicing single-mode fibers for strain measurement

De-Wen Duan, Yun-jiang Rao, Yu-Song Hou, and Tao Zhu  »View Author Affiliations


Applied Optics, Vol. 51, Issue 8, pp. 1033-1036 (2012)
http://dx.doi.org/10.1364/AO.51.001033


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Abstract

We demonstrate an all-fiber optical Fabry–Perot interferometer (FPI) strain sensor whose cavity is a microscopic air bubble. The bubble is formed by fusion splicing together two sections of single-mode fibers (SMFs) with cleaved flat tip and arc fusion induced hemispherical tip, respectively. The fabricated interferometers are with bubble diameters of typically 100μm. Strain and temperature sensitivities of fabricated interferometers are studied experimentally; a strain sensitivity of over 4Pm/με and a thermal sensitivity of less than 0.9Pm/°C is obtained.

© 2012 Optical Society of America

OCIS Codes
(050.2230) Diffraction and gratings : Fabry-Perot
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(220.4000) Optical design and fabrication : Microstructure fabrication
(350.2660) Other areas of optics : Fusion

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: September 7, 2011
Manuscript Accepted: October 19, 2011
Published: March 5, 2012

Citation
De-Wen Duan, Yun-jiang Rao, Yu-Song Hou, and Tao Zhu, "Microbubble based fiber-optic Fabry–Perot interferometer formed by fusion splicing single-mode fibers for strain measurement," Appl. Opt. 51, 1033-1036 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-8-1033

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