flat-top beams, explained by RP; top-hat beam, supergaussian

Flat-top beams are a light beam with a relatively flat intensity profile -- in contrast to Gaussian beams, for example. They often have a super-Gaussian shape.

Saturation effects in nonlinear absorption, refraction, and frequency conversion: a review - ScienceDirect

How to design a Gaussian to Top Hat beam shaper – Knowledgebase

PoloRevBucketSP S/M BEAMS

PoloRevBucketSP S/M BEAMS

Flat-top laser beams: Their uses and benefits

Flat-Top Converter Top Hat – Workshop of Photonics

Noncollinear and nonlinear pulse propagation

A 100-PW compressor based on single-pass single-grating pair, High Power Laser Science and Engineering

PDF) Hat-Top Beams for Generating Tunable THz Radiations Using a Medium of Conducting Nanocylinders

Flat-top laser beams: Their uses and benefits

Understand the difference between Tophat beam and Gaussian beam in one article

Laser Beam Shaping Overview

flat-top beams, explained by RP; top-hat beam, supergaussian, intensity profile, beam shaper