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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 31, Iss. 30 — Oct. 20, 1992
  • pp: 6389–6402

Complex beam parameter and ABCD law for non-Gaussian and nonspherical light beams

Miguel A. Porras, Javier Alda, and Eusebio Bernabeu  »View Author Affiliations


Applied Optics, Vol. 31, Issue 30, pp. 6389-6402 (1992)
http://dx.doi.org/10.1364/AO.31.006389


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Abstract

We define the width, divergence, and curvature radius for non-Gaussian and nonspherical light beams. A complex beam parameter is also defined as a function of the three previous ones. We then prove that the ABCD law remains valid for transforming the new complex beam parameter when a non-Gaussian and nonspherical, orthogonal, or cylindrical symmetric laser beam passes through a real ABCD optical system. The product of the minimum width multiplied by the divergence of the beam is invariant under ABCD transformations. Some examples are given.

© 1992 Optical Society of America

History
Original Manuscript: July 26, 1991
Published: October 20, 1992

Citation
Miguel A. Porras, Javier Alda, and Eusebio Bernabeu, "Complex beam parameter and ABCD law for non-Gaussian and nonspherical light beams," Appl. Opt. 31, 6389-6402 (1992)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-31-30-6389

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