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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 21, Iss. 23 — Dec. 1, 1982
  • pp: 4368–4372

Optical Fourier transform: what is the optimal setup?

D. Joyeux and S. Lowenthal  »View Author Affiliations


Applied Optics, Vol. 21, Issue 23, pp. 4368-4372 (1982)
http://dx.doi.org/10.1364/AO.21.004368


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Abstract

The two basic optical Fourier transform configurations are examined with respect to component complexity, aberrations, and optical noise. It is shown that the converging-beam illumination setup (CB-FT) is much simpler and works better than the classical parallel beam illumination setup within a restricted range of object size and lens aperture. This range corresponds to many practical cases. Therefore, the CB-FT should be preferred in ordinary cases whereas the classical setup with a special purpose Fourier lens should be used only for a large space–bandwidth product. It is probably never a good solution to use the parallel beam configuration with a general purpose lens as the Fourier lens.

© 1982 Optical Society of America

History
Original Manuscript: December 31, 1981
Published: December 1, 1982

Citation
D. Joyeux and S. Lowenthal, "Optical Fourier transform: what is the optimal setup?," Appl. Opt. 21, 4368-4372 (1982)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-21-23-4368

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