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Proceedings Article

Propagation Of Generally Astigmatic Gaussian Beams Along Skew Ray Paths

[+] Author Affiliations
Alan W. Greynolds

Breault Research Organization, Inc. (United States)

Proc. SPIE 0560, Diffraction Phenomena in Optical Engineering Applications, 33 (May 10, 1986); doi:10.1117/12.949614
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From Conference Volume 0560

  • Diffraction Phenomena in Optical Engineering Applications
  • Dale M. Byrne; James E. Harvey
  • San Diego | August 20, 1985

abstract

The propagation of a Gaussian beam through an asymmetric optical system results in a generally or "twisted"" astigmatic beam whose elliptical spot rotates as it propagates in free space. A general mathematical form for this beam is derived by applying the angular spectrum approach to the paraxialized wave equation. This result is compared to those derived by other researchers and it is found that the beam can be equivalently represented by a set of paraxial rays traced about the central beam ray. The application of general Gaussian beam propagation to the analysis of non-Gaussian beam propagation in arbitrary optical systems is also discussed.

© (1986) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Alan W. Greynolds
"Propagation Of Generally Astigmatic Gaussian Beams Along Skew Ray Paths", Proc. SPIE 0560, Diffraction Phenomena in Optical Engineering Applications, 33 (May 10, 1986); doi:10.1117/12.949614; http://dx.doi.org/10.1117/12.949614


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