Comparison Of Uniform And Gaussian Beam Diffraction

Virendra N. Mahajan

doi:10.1117/12.949611

10 May 1986 Comparison Of Uniform And Gaussian Beam Diffraction

Virendra N. Mahajan

Proceedings Volume 0560, Diffraction Phenomena in Optical Engineering Applications; (1986) https://doi.org/10.1117/12.949611
Event: 29th Annual Technical Symposium, 1985, San Diego, United States

Abstract

Much is said in the literature about Gaussian beams. However, there is little in terms of a quantitative comparison between the propagation of uniform and Gaussian beams. Even when results for both types of beams are given, they appear in a normalized form in such a way that some of the quantitative difference between them is lost. In this paper, we consider an aberration-free annular beam and investigate the effect of Gaussian amplitude across the aperture on the focal-plane irradiance and encircled-power distributions. We also consider the problem of aberration balancing and compare the effects of primary aberrations on the two types of beams.

Citation Download Citation

Virendra N. Mahajan "Comparison Of Uniform And Gaussian Beam Diffraction", Proc. SPIE 0560, Diffraction Phenomena in Optical Engineering Applications, (10 May 1986); https://doi.org/10.1117/12.949611

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KEYWORDS

Gaussian beams

Monochromatic aberrations

Diffraction

Optical engineering

Beam propagation method

Polonium

Actinium

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