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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 7 — Mar. 1, 2003
  • pp: 1167–1174

Aberrations of diffracted wave fields: distortion

James E. Harvey, Dijana Bogunovic, and Andrey Krywonos  »View Author Affiliations


Applied Optics, Vol. 42, Issue 7, pp. 1167-1174 (2003)
http://dx.doi.org/10.1364/AO.42.001167


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Abstract

Near-field diffraction patterns are merely aberrated Fraunhofer diffraction patterns. These aberrations, inherent to the diffraction process, provide insight and understanding into wide-angle diffraction phenomena. Nonparaxial patterns of diffracted orders produced by a laser beam passing through a grating and projected upon a plane screen exhibit severe distortion (W311). This distortion is an artifact of the configuration chosen to observe diffraction patterns. Grating behavior expressed in terms of the direction cosines of the propagation vectors of the incident and diffracted orders exhibits no distortion. Use of a simple direction cosine diagram provides an elegant way to deal with nonparaxial diffraction patterns, particularly when large obliquely incident beams produce conical diffraction.

© 2003 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(080.1010) Geometric optics : Aberrations (global)
(220.1010) Optical design and fabrication : Aberrations (global)

History
Original Manuscript: March 19, 2002
Revised Manuscript: September 30, 2002
Published: March 1, 2003

Citation
James E. Harvey, Dijana Bogunovic, and Andrey Krywonos, "Aberrations of diffracted wave fields: distortion," Appl. Opt. 42, 1167-1174 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-7-1167

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