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Optics Letters

Optics Letters


  • Vol. 30, Iss. 12 — Jun. 15, 2005
  • pp: 1452–1454

Tunable-optical-filter-based white-light interferometry for sensing

Bing Yu, Anbo Wang, Gary Pickrell, and Juncheng Xu  »View Author Affiliations

Optics Letters, Vol. 30, Issue 12, pp. 1452-1454 (2005)

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We describe tunable-optical-filter-based white-light interferometry for sensor interrogation. By introducing a tunable optical filter into a white-light interferometry system, one can interrogate an interferometer with either quadrature demodulation or spectral-domain detection at low cost. To demonstrate the feasibility of effectively demodulating various types of interferometric sensor, experiments have been performed using an extrinsic Fabry-Perot tunable filter to interrogate two extrinsic Fabry-Perot interferometric temperature sensors and a diaphragm-based pressure sensor.

© 2005 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.2440) Instrumentation, measurement, and metrology : Filters
(120.3180) Instrumentation, measurement, and metrology : Interferometry

Bing Yu, Anbo Wang, Gary Pickrell, and Juncheng Xu, "Tunable-optical-filter-based white-light interferometry for sensing," Opt. Lett. 30, 1452-1454 (2005)

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