Damage threshold affected by the spatiotemporal evolution of femtosecond laser pulses in multilayer structures

verfasst von

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

Abstract

We propose a figure of merit that characterizes the femtosecond laser damage behavior of optical coatings. This figure of merit, based on the complete spatiotemporal evolution of the field in a multilayer system, can be included in optics design. The monochromatic intensity enhancement widely used in "electric field-engineering"is sufficient only in certain structures such as high-reflectivity quarter-wave mirrors. In more complex systems, for example, in group delay dispersion mirrors and frequency tripling mirrors, one should consider the actual (typically smaller) intensity enhancement produced by short pulses and the change (typically increase) of pulse duration within the stack.

Organisationseinheit(en)

Institut für Quantenoptik
PhoenixD: Simulation, Fabrikation und Anwendung optischer Systeme

Externe Organisation(en)

University of New Mexico
Lenzner Research LLC
Laser Zentrum Hannover e.V. (LZH)

Typ

Artikel

Journal

Optical engineering

Band

61

ISSN

0091-3286

Publikationsdatum

01.07.2022

Publikationsstatus

Veröffentlicht

Peer-reviewed

Ja

ASJC Scopus Sachgebiete

Atom- und Molekularphysik sowie Optik, Allgemeiner Maschinenbau

Elektronische Version(en)

https://doi.org/10.1117/1.OE.61.7.071602 (Zugang: Geschlossen)