Multi-Bessel Beams Generated by an Axicon and a Spatial Light Modulator for Drilling Applications Article Swipe

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Christian Lutz , Simon Schwarz , Jan Marx , Cemal Esen , Ralf Hellmann ·

YOU? · · 2023 · Open Access · · DOI: https://doi.org/10.3390/photonics10040413

We report on an optical setup to generate multi-Bessel beam profiles combining a refractive axicon and a spatial light modulator. Based on their particular beam profile, Bessel beams offer advantageous properties for micro drilling processes and internal volume processing, especially for transparent materials. In addition, the laser power of industrial, ultrashort pulsed lasers has increased significantly over the last few years, offering the possibility for highly efficient processes using multi-spot profiles. Our optical concept combines the dynamic possibilities of beam splitting using a spatial light modulator with the benefits of Bessel beams, which facilitates multi-Bessel beam processing. Beside the simulation and experimental evaluation of the generated multi-Bessel beams, we exemplify the applicability of the developed module for the perforation of thin metal foils by micro drilling.

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Gastrointestinal Perforation

Concepts

Axicon Bessel beam Optics Bessel function Spatial light modulator Laser drilling Beam (structure) Materials science Perforation Laser Lens (geology) Laser beam machining Light beam Optoelectronics Physics Laser beams Punching Metallurgy

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Type: article
Language: en
Landing Page: https://doi.org/10.3390/photonics10040413
PDF: https://www.mdpi.com/2304-6732/10/4/413/pdf?version=1680834120
OA Status: gold
Cited By: 16
References: 34
Related Works: 10
OpenAlex ID: https://openalex.org/W4362698758

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OpenAlex ID: https://openalex.org/W4362698758

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DOI: https://doi.org/10.3390/photonics10040413

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Title: Multi-Bessel Beams Generated by an Axicon and a Spatial Light Modulator for Drilling Applications

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Type: article

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Language: en

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Publication year: 2023

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Publication date: 2023-04-06

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Authors: Christian Lutz, Simon Schwarz, Jan Marx, Cemal Esen, Ralf Hellmann

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Landing page: https://doi.org/10.3390/photonics10040413

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Concepts: Axicon, Bessel beam, Optics, Bessel function, Spatial light modulator, Laser drilling, Beam (structure), Materials science, Perforation, Laser, Lens (geology), Laser beam machining, Light beam, Optoelectronics, Physics, Laser beams, Punching, Metallurgy

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Cited by: 16

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Citations by year (recent): 2025: 3, 2024: 11, 2023: 2

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References (count): 34

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Related works (count): 10

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