Photoinscription of optical microstructures in fused silica with few-cycle pulses

Federico J. A. Furch; W. Dieter Engel; Tobias Witting; Armando Perez-Leija; Demian Biasetti; Gustavo Torchia; Marc J. J. Vrakking; Alexandre Mermillod-Blondin

doi:10.1117/12.2546014

2 March 2020 Photoinscription of optical microstructures in fused silica with few-cycle pulses

Federico J. A. Furch, W. Dieter Engel, Tobias Witting, Armando Perez-Leija, Demian Biasetti, Gustavo Torchia, Marc J. J. Vrakking, Alexandre Mermillod-Blondin

Author Affiliations +

Proceedings Volume 11268, Laser-based Micro- and Nanoprocessing XIV; 112680N (2020) https://doi.org/10.1117/12.2546014
Event: SPIE LASE, 2020, San Francisco, California, United States

Abstract

The recent development of sources able to deliver laser pulses with a duration of a few optical cycles has created many opportunities for fundamental research. Few-cycle laser pulse sources are now commercially available and are able to deliver energetic pulses (tens of micro-joules) at a MHz repetition rate. With such an extremely short pulse duration (<10 fs FWHM at 800 nm), the amount of energy required to reach the breakdown threshold in dielectrics is minimal, thus suggesting that few-cycle laser pulses are a very promising tool for reducing the heat affected zone and therefore the amount of thermo-induced stress during and after irradiation in transparent materials. In this article, the potential relevance of few-cycle laser pulses for microprocessing fused silica is examined. In particular, we demonstrate the fabrication of optical microstructures in the volume as well as on the surface of undoped fused silica.

Citation Download Citation

Federico J. A. Furch, W. Dieter Engel, Tobias Witting, Armando Perez-Leija, Demian Biasetti, Gustavo Torchia, Marc J. J. Vrakking, and Alexandre Mermillod-Blondin "Photoinscription of optical microstructures in fused silica with few-cycle pulses", Proc. SPIE 11268, Laser-based Micro- and Nanoprocessing XIV, 112680N (2 March 2020); https://doi.org/10.1117/12.2546014

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