![Micromachines | Free Full-Text | Characterization of Laser Beam Shaping Optics Based on Their Ablation Geometry of Thin Films Micromachines | Free Full-Text | Characterization of Laser Beam Shaping Optics Based on Their Ablation Geometry of Thin Films](https://www.mdpi.com/micromachines/micromachines-05-00943/article_deploy/html/images/micromachines-05-00943-g001-1024.png)
Micromachines | Free Full-Text | Characterization of Laser Beam Shaping Optics Based on Their Ablation Geometry of Thin Films
![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 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](https://www.ncbi.nlm.nih.gov/books/NBK321739/bin/oin_p1_ch7.f5.jpg)
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
![Laser drilling with a top-hat beam of micro-scale high aspect ratio holes in silicon nitride - ScienceDirect Laser drilling with a top-hat beam of micro-scale high aspect ratio holes in silicon nitride - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0924013620300509-gr7.jpg)
Laser drilling with a top-hat beam of micro-scale high aspect ratio holes in silicon nitride - ScienceDirect
![Micromachines | Free Full-Text | Effects of Top-hat Laser Beam Processing and Scanning Strategies in Laser Micro-Structuring Micromachines | Free Full-Text | Effects of Top-hat Laser Beam Processing and Scanning Strategies in Laser Micro-Structuring](https://www.mdpi.com/micromachines/micromachines-11-00221/article_deploy/html/images/micromachines-11-00221-g001.png)