1997•Applied OpticsRequires access

Spherical aberration effects in lens–axicon doublets: theoretical study

Christian G. Parigger, Yiping Tang, David H. Plemmons, James W. Lewis

Abstract

Effects of spherical aberrations in converging and diverging lens-axicon doublets are investigated. Intensity profiles are obtained in the line and ring focal regions by numerically solving the Fresnel-Kirchhoff integral. Comparisons with aberration-free computations show that higher peak irradiances occur for the converging doublet when spherical aberrations are included. Results are presented for axicons with small apex angles in lens-axicon combinations illuminated by collimated Gaussian 1.064-mum laser beams.

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Key concepts: Axicon, Spherical aberration, Optics, Lens (geology), Physics, Collimated light, Fresnel number, Optical aberration