Description of diffracted beams by weighted moments

Marcus Scholl; S. Muetter; O. Post

doi:10.1117/12.259888

20 November 1996 Description of diffracted beams by weighted moments

Marcus Scholl, S. Muetter, O. Post

Proceedings Volume 2870, Third International Workshop on Laser Beam and Optics Characterization; (1996) https://doi.org/10.1117/12.259888
Event: Third International Workshop on Laser Beam and Optics Characterization, 1996, Quebec City, Canada

Abstract

Generalized moments for beams with or without diffraction influence are introduced. Their ABCD-transformation laws are shown theoretically as well as experimentally. The generalized moments are defined from the Wigner function with a window function which improves convergence of the moments integrals. The window function is applied in a covariant way so that the ABCD-transformation properties of the moments become evident. The determination of the generalized moments from beam intensity measurements and their behavior in optical systems is shown from numerically simulated data.

Citation Download Citation

Marcus Scholl, S. Muetter, and O. Post "Description of diffracted beams by weighted moments", Proc. SPIE 2870, Third International Workshop on Laser Beam and Optics Characterization, (20 November 1996); https://doi.org/10.1117/12.259888

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