Calculation of the propagation of partially coherent beams through optical systems

Herbert Gross

doi:10.1117/12.259896

20 November 1996 Calculation of the propagation of partially coherent beams through optical systems

Herbert Gross

Proceedings Volume 2870, Third International Workshop on Laser Beam and Optics Characterization; (1996) https://doi.org/10.1117/12.259896
Event: Third International Workshop on Laser Beam and Optics Characterization, 1996, Quebec City, Canada

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.

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Herbert Gross "Calculation of the propagation of partially coherent beams through optical systems", Proc. SPIE 2870, Third International Workshop on Laser Beam and Optics Characterization, (20 November 1996); https://doi.org/10.1117/12.259896

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KEYWORDS

Diffraction

Fourier transforms

Systems modeling

Laser beam propagation

Coherence (optics)

Monochromatic aberrations

Beam propagation method

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