Direct CO<sub>2</sub> laser-based generation of holographic structures on the surface of glass

Optics Express
Krystian L WlodarczykDuncan P Hand

Abstract

A customized CO<sub>2</sub> laser micromachining system was used for the generation of phase holographic structures directly on the surface of fused silica (HPFS<sup>®</sup>7980 Corning) and Borofloat<sup>®</sup>33 (Schott AG) glass. This process used pulses of duration 10µs and nominal wavelength 10.59µm. The pulse energy delivered to the glass workpiece was controlled by an acousto-optic modulator. The laser-generated structures were optically smooth and crack free. We demonstrated their use as diffractive optical elements (DOEs), which could be exploited as anti-counterfeiting markings embedded into valuable glass-made components and products.

References

Jan 21, 2006·Applied Optics·Krzysztof M NowakDenis R Hall
Jul 11, 2006·Applied Optics·E MendezD R Hall
Sep 4, 2006·Optics Express·J F MonjardinD R Hall
Oct 1, 1966·Applied Optics·H Kogelnik, T Li
Jul 1, 1974·Applied Optics·T R SteyerD R Huffman
Sep 20, 1994·Applied Optics·F LaguartaJ Armengol
Feb 12, 2014·Optics Express·P CormontJ L Rullier

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Citations

Feb 6, 2017·Applied Optics·Christian WeingartenSebastian Heidrich
Jun 4, 2019·Applied Optics·Thibaud RuelleFloris Braakman
Aug 10, 2017·Optics Express·Krystian L WlodarczykDuncan P Hand

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