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Proceedings Paper

Calculation of the propagation of partially coherent beams through optical systems
Author(s): Herbert Gross
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Paper Abstract

The propagation of partially coherent beams through optical systems is modelled numerically in one transverse dimension. The systems are divided into different elementary elements, through which the propagation of light can be calculated by appropriate operators, working on the coherence function or the Wigner distribution function respectively. For the necessary changes between these two functions describing the partially coherent beams, the use of the remarkable z- transform seems to be an advantage. With this algorithm the grid and the resolution in the spatial frequency domain can be chosen arbitrary in contrast to the usual Fourier transform. The influence of phase aberrations on the focusability of Gauss-Schell model beams is discussed as an application example of the numerical model. With the help of this tool practical beam guiding systems can be simulated for the use with multimode laser radiation.

Paper Details

Date Published: 20 November 1996
PDF: 10 pages
Proc. SPIE 2870, Third International Workshop on Laser Beam and Optics Characterization, (20 November 1996); doi: 10.1117/12.259896
Show Author Affiliations
Herbert Gross, Carl Zeiss/Oberkochen (Germany)


Published in SPIE Proceedings Vol. 2870:
Third International Workshop on Laser Beam and Optics Characterization
Michel Morin; Adolf Giesen, Editor(s)

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