1. Intensity profiles (a) of a Gaussian beam, (b) top-hat beam, (c)
![](https://www.researchgate.net/publication/286168681/figure/fig10/AS:876397048373248@1585960747055/Intensity-profiles-a-of-a-Gaussian-beam-b-top-hat-beam-c-doughnut-shape-vortex.png)
![](https://d3i71xaburhd42.cloudfront.net/dba73ae4b36752f2163a0a082b2ce2ca38f07b33/3-Figure2-1.png)
Figure 3 from Current Technology of Laser Beam Profile Measurements
![](https://www.edmundoptics.com/media/r5oh0zcd/why-use-a-flat-top-laser-beam-fig-5d.jpg?rmode=max)
Why Use a Flat Top Laser Beam?
High-precision laser beam shaping using a binary-amplitude spatial light modulator
![](https://img.laserfocusworld.com/files/base/ebm/lfw/image/2017/09/1709lfw_kat_f3.png?auto=format,compress&fit=max&q=45&w=640)
Diffractive Optics: How ultrashort laser pulses influence beam-shaping optics
![](https://www.researchgate.net/profile/E-Gamaly/publication/286168681/figure/fig3/AS:876397044187144@1585960746777/Evolution-of-energy-distribution-of-electrons-with-increase-of-temperature-in-the_Q320.jpg)
1. Intensity profiles (a) of a Gaussian beam, (b) top-hat beam, (c
Generation of a terahertz collimated top-hat beam by using two thin diffractive phase plates
![](https://d3i71xaburhd42.cloudfront.net/b29bfdc2b9b0ed8387347c44a29089f06390b3b4/2-Figure1-1.png)
PDF] Laserscribing of Thin Films Using Top-Hat Laser Beam Profiles
Understand the difference between Tophat beam and Gaussian beam in one article
![](https://upload.wikimedia.org/wikipedia/commons/f/ff/Gaussian_beam_w40mm_lambda30mm.png)
upload.wikimedia.org/wikipedia/commons/f/ff/Gaussi
![](https://www.biorxiv.org/content/biorxiv/early/2021/04/22/2021.04.20.440683/F1.large.jpg)
Characterization of a fiber-coupled EvenField illumination system for fluorescence microscopy
![](https://www.mdpi.com/materials/materials-12-02254/article_deploy/html/images/materials-12-02254-g009.png)
Materials, Free Full-Text
![](https://space.mit.edu/RADIO/CST_online/mergedProjects/3D/common_preloadedmacro/gaussian-beam-07.jpg)
Solver / Generate Gaussian Beam
![](https://www.asphericon.com/Header_SqAiryShape_huebbfad1edfa8e198fe68a27ac6a615ca_97436_1920x960_crop_q70_h2_box_smart1.webp)
Beam shapers for square top hats in the focal point
![](https://www.edmundoptics.co.uk/media/2xocdgqy/why-use-a-flat-top-laser-beam-fig-5c.jpg?rmode=max)
Why Use a Flat Top Laser Beam?