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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 19 — Jul. 1, 2009
  • pp: 3702–3708

Compact optical fiber whitelight interferometric distance sensor for arbitrary small distance measurement

Ayan Majumdar and Haiying Huang  »View Author Affiliations


Applied Optics, Vol. 48, Issue 19, pp. 3702-3708 (2009)
http://dx.doi.org/10.1364/AO.48.003702


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Abstract

A compact optical fiber distance sensor that is capable of measuring arbitrary small distance is produced by fabricating a microsized polymer core at the end of a single mode fiber. The polymer core introduces an additional reflective interface to a conventional Fabry–Perot cavity. As such, sufficient fringes are presented in the whitelight reflectance spectrum of the distance sensor so that arbitrary small distances can be demodulated using the Fourier transformation technique. The performance of the distance sensor is verified experimentally.

© 2009 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.4610) Instrumentation, measurement, and metrology : Optical fabrication
(180.4243) Microscopy : Near-field microscopy

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: March 26, 2009
Manuscript Accepted: May 31, 2009
Published: June 22, 2009

Citation
Ayan Majumdar and Haiying Huang, "Compact optical fiber whitelight interferometric distance sensor for arbitrary small distance measurement," Appl. Opt. 48, 3702-3708 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-19-3702


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