journal article·2022-02-01Open access

Protecting the edge: Ultrafast laser modified C-shaped glass edges

Daniel Flamm, Myriam Kaiser, Marvin Feil, Max Kahmann, Michael Lang, Jonas Kleiner, Tim Hesse

Journal of Laser Applications· Volume 34· Issue 1

Abstract

A procedure and optical concept is introduced for ultrashort pulsed laser cleaving of transparent materials with tailored edges in a single pass. The procedure is based on holographically splitting a number of foci along the desired edge geometry including C-shaped edges with local 45° tangential angles to the surface. Single-pass, full-thickness laser modifications are achieved requiring single-side access to the workpiece only without inclining the optical head. After having induced laser modifications with feed rates of ∼1m/s, actual separation is performed using a selective etching strategy.
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Research context

OpenAlex topics: Laser Material Processing Techniques · Advanced Surface Polishing Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

TRUMPF Laser- und Systemtechnik GmbH , Johann-Maus-Str. 2, 71254 Ditzingen, Germany

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