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Noninvasive characterization methods for ultra-short laser pulse induced volume modifications

  • We present two noninvasive characterization methods to investigate laser induced modifications in bulk fused silica glasses. The methods discussed are immersion microscopy and scanning acoustic microscopy (SAM). SAM shows merits in measuring the distance from sample surface to the first detectable density change of the modification, while immersion microscopy offers a look into the modification. Both noninvasive methods are preferred over conventional polishing or etching techniques due to the facts, that multiple investigations can be done with only one sample and lower time expenditure. The type II modifications were introduced by focusing laser pulses with high repetition rates into the fused silica.

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Author:Max Steudel, Max-Jonathan Kleefoot, Sebastian Funken, Alexander Banholzer, Mario Wolf, Silvia Schuhmacher, Uwe Morgner, Anne Harth
Source Title (English):Optics Express
Document Type:Article
Year of Completion:2024
Date of first Publication:2024/06/13
Publishing Institution:Hochschule Aalen
Granting Institution:Hochschule Aalen, Maschinenbau und Werkstofftechnik
Release Date:2024/06/13
Number of Pages:9
First Page:19221
Last Page:19229
Faculty:Maschinenbau und Werkstofftechnik / Oberflächentechnik/Werkstoffkunde
Open Access:Open Access
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International