Flat-top beam, Top hat beam, Super-Gaussian beam
flat-top beams, explained by RP; top-hat beam, supergaussian, intensity profile, beam shaper
Design of new refractive Gaussian to top-hat beam shaper with gradient photonic crystal
electromagnetism - Propagation of a flat-top laser beam in free space - Physics Stack Exchange
Comparison of Gaussian and super Gaussian laser beams for addressing atomic qubits
The beginner's guide on spot size of laser beam
Creating a Top-hat Laser Beam Focus
Laser Beam Shaping Overview
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Gauss to Top-Hat beam shaping with a, TopShape
Top Hat Beam Shaper, Square Top Hat Spot
Laser drilling with a top-hat beam of micro-scale high aspect ratio holes in silicon nitride - ScienceDirect
Gaussian beam - Wikipedia
Laser despeckler Top-Hat Infinity Phase Front