This article demonstrates how to design a refractive beam shaper that converts a Gaussian intensity profile into a Top Hat (Flat Top) profile.
How to design a Gaussian to Top Hat beam shaper – Knowledgebase
Power efficiency of a Gaussian beam versus a top-hat beam. (a) Gaussian
Why Use a Flat Top Laser Beam?
Optical layout of two-lens laser beam shaper in (a) the Galilean
Optical Engineering, Optical Design Service in Singapore
Design of a Refractive Beam Shaper to Generate a Circular
Configuration of the refractive beam shaping system, (a). Galilean
Intensity distribution profiles of Gaussian and top-hat laser beams.
Optical Engineering, Optical Design Service in Singapore
Gauss- to-Top Hat beam shaper lenses, Laser Beam Shapers
The influence of laser beam shaping on surface roughness, surface figure and mid-spatial frequency of fused silica glass in CO2 laser smoothing - ScienceDirect
Generating homogeneous Rydberg beams a, Measured Gaussian-beam
Laser Beam Shaping Overview
Laser Beam Shaping