Ultrafast optical breakdown of multilayer thin-films at kHz and MHz repetition rates: a direct comparison

I. B. Angelov; M. K. Trubetskov; V. S. Yakovlev; O. Razskazovskaya; M. Gorjan; H. G. Barros; F. Krausz; V. Pervak

doi:10.1117/12.2068199

31 October 2014 Ultrafast optical breakdown of multilayer thin-films at kHz and MHz repetition rates: a direct comparison

I. B. Angelov, M. K. Trubetskov, V. S. Yakovlev, O. Razskazovskaya, M. Gorjan, H. G. Barros, F. Krausz, V. Pervak

Author Affiliations +

Proceedings Volume 9237, Laser-Induced Damage in Optical Materials: 2014; 92370H (2014) https://doi.org/10.1117/12.2068199
Event: SPIE Laser Damage, 2014, Boulder, Colorado, United States

Abstract

We report on the experimental study of optical breakdown induced in multilayer thin-films by ultrashort pulses at kHz and MHz repetition rates, while keeping all other parameters similar. The investigated samples were coatings composed of TiO₂, Ta₂O₅, HfO₂, or Al₂O₃ as high-index material and SiO₂ as low-index material. We compared the distinct band gap dependencies obtained in the two regimes.

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I. B. Angelov, M. K. Trubetskov, V. S. Yakovlev, O. Razskazovskaya, M. Gorjan, H. G. Barros, F. Krausz, and V. Pervak "Ultrafast optical breakdown of multilayer thin-films at kHz and MHz repetition rates: a direct comparison", Proc. SPIE 9237, Laser-Induced Damage in Optical Materials: 2014, 92370H (31 October 2014); https://doi.org/10.1117/12.2068199

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