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Applied Optics

Applied Optics


  • Vol. 39, Iss. 20 — Jul. 10, 2000
  • pp: 3453–3455

Fresnel number of a regular polygon and slit

Shaomin Wang, Qiang Lin, Liping Yu, and Xiaoling Xu  »View Author Affiliations

Applied Optics, Vol. 39, Issue 20, pp. 3453-3455 (2000)

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The concept of the Fresnel number is generalized to make it possible to describe the regular polygon and slit illuminated by a homogeneous plane wave. The generalization is based on nonlinear regression of the axial intensity distribution curve. A useful analytical expression for the Fresnel number is presented. A simple experiment to show the different Fresnel numbers in one observation plane is illustrated.

© 2000 Optical Society of America

OCIS Codes
(050.1220) Diffraction and gratings : Apertures
(050.1940) Diffraction and gratings : Diffraction

Original Manuscript: October 18, 1999
Revised Manuscript: March 27, 2000
Published: July 10, 2000

Shaomin Wang, Qiang Lin, Liping Yu, and Xiaoling Xu, "Fresnel number of a regular polygon and slit," Appl. Opt. 39, 3453-3455 (2000)

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