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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 31, Iss. 13 — May. 1, 1992
  • pp: 2353–2359

Spectral line-shape distortions in Michelson interferometers due to off-focus radiation source

Pekka Saarinen and Jyrki Kauppinen  »View Author Affiliations


Applied Optics, Vol. 31, Issue 13, pp. 2353-2359 (1992)
http://dx.doi.org/10.1364/AO.31.002353


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Abstract

When the radiation source in a Michelson interferometer is placed in front of or behind the focal plane of the collimator, distortions arise in the spectral line shapes. The appearance and behavior of these distortions in a cube-corner interferometer are treated in this work. We shall also present a simple and fast method to calculate the true line position of a distorted line, and an easy rule of thumb to connect the off-focus shift and the amount of distortion. Calculation of the phase-error curves in the signal domain is treated as well. This calculation gives a possibility of correcting the distorted interferogram.

© 1992 Optical Society of America

History
Original Manuscript: November 20, 1991
Published: May 1, 1992

Citation
Pekka Saarinen and Jyrki Kauppinen, "Spectral line-shape distortions in Michelson interferometers due to off-focus radiation source," Appl. Opt. 31, 2353-2359 (1992)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-31-13-2353


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References

  1. J. Kauppinen, P. Saarinen, “Line shape distortions in misaligned cube corner interferometers,” Appl. Opt. (to be published).
  2. G. Guelachvili, “Distortions in Fourier spectra and diagnosis,” in Spectrometric Techniques, G. Vanasse, ed. (Academic, New York, 1981), Vol. 2, pp. 1–62.
  3. J. Kauppinen, T. Kärkkäinen, E. Kyrö, “Correcting errors in the optical path difference in Fourier spectroscopy: a new accurate method,” Appl. Opt. 17, 1587–1594 (1978). [CrossRef] [PubMed]

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