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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 31, Iss. 3 — Mar. 1, 2014
  • pp: 505–509

Spectral response of fiber-coupled Fabry–Perot etalons

Pavel Ionov  »View Author Affiliations

JOSA A, Vol. 31, Issue 3, pp. 505-509 (2014)

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In many remote sensing applications one or multiple Fabry–Perot etalons are used as high-spectral-resolution filter elements. These etalons are often coupled to a receiving telescope with a multimode fiber, leading to subtle effects of the fiber mode order on the overall spectral response of the system. A theoretical model is developed to treat the spectral response of the combined system: fiber, collimator, and etalon. The method is based on a closed-form expression of the diffracted mode in terms of a Hankel transform. In this representation, it is shown how the spectral effect of the fiber and collimator can be separated from the details of the etalon and can be viewed as a mode-dependent spectral broadening and shift.

© 2014 Optical Society of America

OCIS Codes
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(120.4570) Instrumentation, measurement, and metrology : Optical design of instruments
(260.1960) Physical optics : Diffraction theory
(230.2285) Optical devices : Fiber devices and optical amplifiers
(070.7345) Fourier optics and signal processing : Wave propagation

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: November 25, 2013
Manuscript Accepted: December 16, 2013
Published: February 13, 2014

Pavel Ionov, "Spectral response of fiber-coupled Fabry–Perot etalons," J. Opt. Soc. Am. A 31, 505-509 (2014)

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