Long and crack-free holes in glass by top-down drilling with femtosecond laser GHz-bursts

2023 Conference on Lasers and Electro-Optics (CLEO)(2023)

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Abstract
We report on extremely long, high quality, and crack-free holes in sodalime and fused silica by laser drilling with femtosecond GHz-bursts, where aspect ratios exceeding 30 and even 70 have been obtained, respectively.
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Key words
(140.3390) Laser materials processing,(320.2250) Femtosecond phenomena,(140.7090) Ultrafast lasers
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