Spatio-temporal evolution of femtosecond laser pulses in dielectric multi-layers controlling the damage behavior

Matthias Lenzner; Amir Khabbazi Oskouei; Luke A. Emmert; Marco Jupé; Thomas Willemsen; Morten Steinecke; Detlev Ristau; Wolfgang Rudolph

doi:10.1117/12.2600528

19 November 2021 Spatio-temporal evolution of femtosecond laser pulses in dielectric multi-layers controlling the damage behavior

Matthias Lenzner, Amir Khabbazi Oskouei, Luke A. Emmert, Marco Jupé, Thomas Willemsen, Morten Steinecke, Detlev Ristau, Wolfgang Rudolph

Author Affiliations +

Proceedings Volume 11910, Laser-Induced Damage in Optical Materials 2021; 1191012 (2021) https://doi.org/10.1117/12.2600528
Event: SPIE Laser Damage, 2021, Online Only

Abstract

When designing femtosecond laser mirrors, one tries to minimize the peak intensity within the high-index layers to increase the laser-induced damage threshold. Typically, the optimization procedure utilizes the electric field distribution in the layer stack generated by monochromatic irradiation. This approach is sufficient for certain structures like high-reflectors based on quarter-wave films. More complex structures require to take into account the exact evolution of the pulse parameters such as peak intensity and duration within the multi-layer system. We exemplify this by discussing a merit function that can be included in femtosecond optics design.

Conference Presentation

Citation Download Citation

Matthias Lenzner, Amir Khabbazi Oskouei, Luke A. Emmert, Marco Jupé, Thomas Willemsen, Morten Steinecke, Detlev Ristau, and Wolfgang Rudolph "Spatio-temporal evolution of femtosecond laser pulses in dielectric multi-layers controlling the damage behavior", Proc. SPIE 11910, Laser-Induced Damage in Optical Materials 2021, 1191012 (19 November 2021); https://doi.org/10.1117/12.2600528

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