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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 25 — Sep. 1, 2011
  • pp: E172–E176

Simple temperature insensitive fiber Bragg grating based tilt sensor with enhanced tunability

R. Aneesh, Meeth Maharana, Pathi Munendhar, H. Y. Tam, and Sunil K. Khijwania  »View Author Affiliations


Applied Optics, Vol. 50, Issue 25, pp. E172-E176 (2011)
http://dx.doi.org/10.1364/AO.50.00E172


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Abstract

A design for an all-optical temperature insensitive fiber Bragg grating (FBG) based tilt sensor is reported. The sensor is capable of measuring the magnitude as well as the direction of inclination from the horizontal with a complete reversible response over the designed dynamic range of ± 45 ° . The most important feature of the reported sensor is its inherent enhanced tuning capability for its sensitivity. An excellent sensitivity of the order of 0.0626 nm / ° that can further be tuned is observed for the sensor. Experimental results show that a tilt angle resolution better than 0.008 ° with a tilt accuracy of ± 0.36 ° was achieved.

© 2011 Optical Society of America

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

History
Original Manuscript: March 18, 2011
Revised Manuscript: July 25, 2011
Manuscript Accepted: July 29, 2011
Published: August 16, 2011

Citation
R. Aneesh, Meeth Maharana, Pathi Munendhar, H. Y. Tam, and Sunil K. Khijwania, "Simple temperature insensitive fiber Bragg grating based tilt sensor with enhanced tunability," Appl. Opt. 50, E172-E176 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-25-E172

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