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Proceedings Paper

Design of laser beam shaping optics: a simple algebraic method
Author(s): John A. McNeil
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Paper Abstract

The design of refractive beam shaping optics using (geometrical) ray optics, rather than (physical) diffractive optics, has been justified theoretically in the cases of interest and validated empirically. Measured output beam profiles have matched to design profile with surprising accuracy. As the number of aspheric optics manufacturers increases, beam shaping optics will become affordable, even for prototypes. For those not already familiar with the subject, this paper provides a brief review of the theory and demonstrates how to easily calculate the coefficients of the finite polynomial series used to produce aspheric surfaces. The numerical integration step found in the literature has been eliminated resulting in a simplified algorithm which is easily implemented with math processors such as Mathcad®, MATLAB®, or Excel®.

Paper Details

Date Published: 25 February 2008
PDF: 11 pages
Proc. SPIE 6872, Laser Resonators and Beam Control X, 68720D (25 February 2008); doi: 10.1117/12.763626
Show Author Affiliations
John A. McNeil, BAE Systems (United States)

Published in SPIE Proceedings Vol. 6872:
Laser Resonators and Beam Control X
Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko, Editor(s)

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