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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 23 — Aug. 10, 2011
  • pp: 4671–4680

Analytical model for low finesse, external cavity, fiber Fabry–Perot interferometers including multiple reflections and angular misalignment

Paul R. Wilkinson and Jon R. Pratt  »View Author Affiliations


Applied Optics, Vol. 50, Issue 23, pp. 4671-4680 (2011)
http://dx.doi.org/10.1364/AO.50.004671


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Abstract

We present an analytical model for single mode, multiply reflected, external cavity, optical fiber Fabry–Perot interferometers in the low finesse regime using simple geometry and the Gaussian beam approximation. The multiple reflection model predicts attenuation of the peak-to-peak interference as the fiber to mirror distance approaches zero, as well as fringe asymmetry in the presence of nonabsorbing mirrors. A series of experiments are conducted in which a series of fiber Fabry–Perot cavities are constructed using uncoated, single mode glass fibers, and mirrors of varying reflectivity. The cavity length is swept, and the predictions of the model are found to be in good agreement with the experimental interferograms.

© 2011 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(120.3180) Instrumentation, measurement, and metrology : Interferometry

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: October 13, 2010
Revised Manuscript: December 16, 2010
Manuscript Accepted: July 7, 2011
Published: August 8, 2011

Citation
Paul R. Wilkinson and Jon R. Pratt, "Analytical model for low finesse, external cavity, fiber Fabry–Perot interferometers including multiple reflections and angular misalignment," Appl. Opt. 50, 4671-4680 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-23-4671


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