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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 20 — Sep. 28, 2009
  • pp: 17976–17982

Fabrication of a compact reflective long-period grating sensor with a cladding-mode-selective fiber end-face mirror

Meng Jiang, A. Ping Zhang, Yang-Chun Wang, Hwa-Yaw Tam, and Sailing He  »View Author Affiliations

Optics Express, Vol. 17, Issue 20, pp. 17976-17982 (2009)

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A long-period grating (LPG) based compact optical fiber sensor working in reflection mode is demonstrated. A technique to make a mirror on the cladding region of a fiber end-face to reflect only the cladding modes was realized by growing a polymeric microtip on the core region of the fiber end-face, by photopolymerization, followed by coating the fiber end-face with an aluminum film. Using the cladding-mode-selective fiber end-face mirror, the transmission spectrum of the LPG was “inverted” and reflected. Preliminary results of using the sensor to measure the refractive index of glycerol/water solutions were successfully demonstrated.

© 2009 OSA

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: August 27, 2009
Revised Manuscript: September 20, 2009
Manuscript Accepted: September 20, 2009
Published: September 22, 2009

Meng Jiang, A. Ping Zhang, Yang-Chun Wang, Hwa-Yaw Tam, and Sailing He, "Fabrication of a compact reflective long-period grating sensor with a cladding-mode-selective 
fiber end-face mirror," Opt. Express 17, 17976-17982 (2009)

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