What is a Top Hat Beam Profile?

A top hat laser beam is a laser beam whose intensity profile is flat and uniform, with sharp edges where the energy drops rapidly to zero.

Different ablation behavior of thin films for Gaussian (left) and

Design of a Refractive Beam Shaper to Generate a Circular Top-Hat - SHANGHAI INFOCROPS SCIENCE & TECHNOLOGY CO., LIMITED

News - Holo Or, Diffractive Optics

Micromachines, Free Full-Text

Fig. 7.5, Scheme of the laser processing with different spatially shaped beams (fluence profile and corresponding ablation topography). Gaussian laser beam (a), top hat laser beam (b) - Optically Induced Nanostructures - NCBI Bookshelf

코어레이 l CoreRay Laser Total Solution

News - Holo Or, Diffractive Optics

Top Hat Laser beam explained - Holo Or

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

Square Shape

Intensity distribution profiles of Gaussian and top-hat laser beams.