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Applied Optics

Applied Optics


  • Vol. 41, Iss. 4 — Feb. 1, 2002
  • pp: 631–636

Characteristics of short-period blazed fiber Bragg gratings for use as macro-bending sensors

Seungin Baek, Yoonchan Jeong, and Byoungho Lee  »View Author Affiliations

Applied Optics, Vol. 41, Issue 4, pp. 631-636 (2002)

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The characteristics of short-period blazed fiber Bragg gratings for use as macro-bending sensors are discussed. This sensor is able to detect macro bending with the transmitted power variation of the first side mode in the blazed fiber Bragg grating. Since an incident ray experiences different variations of tilt angles with respect to bending direction, the blazed fiber Bragg grating has different coupling efficiencies of the first side mode, which can be reduced considerably in the case of twisted blazed fiber Bragg gratings.

© 2002 Optical Society of America

OCIS Codes
(060.2300) Fiber optics and optical communications : Fiber measurements
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2430) Fiber optics and optical communications : Fibers, single-mode

Original Manuscript: March 26, 2001
Revised Manuscript: September 7, 2001
Published: February 1, 2002

Seungin Baek, Yoonchan Jeong, and Byoungho Lee, "Characteristics of short-period blazed fiber Bragg gratings for use as macro-bending sensors," Appl. Opt. 41, 631-636 (2002)

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