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Applied Optics

Applied Optics


  • Vol. 40, Iss. 17 — Jun. 10, 2001
  • pp: 2909–2916

Diffraction Patterns Formed by an Off-Axis Paraboloid Surface

Pedro Arguijo, Marija Strojnik Scholl, and Gonzalo Paez  »View Author Affiliations

Applied Optics, Vol. 40, Issue 17, pp. 2909-2916 (2001)

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We derive a general, closed-form expression for the diffraction patterns including the aberrations that are due to off-axis alignment and positioning, of a paraboloid mirror. The diffraction patterns obtained in the focal plane of an off-axis paraboloidal mirror suffer modifications by the aberrations that are inherent in these surfaces: astigmatism and coma. Different magnifications in two perpendicular spatial directions indicate astigmatism. The Airy function, which affects a single spatial coordinate, describes the coma aberration. We identified the coma by the increased number of intensity zeros within adjacent lobules.

© 2001 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(070.2590) Fourier optics and signal processing : ABCD transforms
(220.1010) Optical design and fabrication : Aberrations (global)
(220.1140) Optical design and fabrication : Alignment
(220.1250) Optical design and fabrication : Aspherics

Pedro Arguijo, Marija Strojnik Scholl, and Gonzalo Paez, "Diffraction Patterns Formed by an Off-Axis Paraboloid Surface," Appl. Opt. 40, 2909-2916 (2001)

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