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Proceedings Paper

Approaches toward optimized laser-induced damage thresholds of dispersive compensating mirrors applying nanolaminates
Author(s): T. Willemsen; M. Brinkmann; M. Jupé; M. Gyamfi; S. Schlichting; D. Ristau
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Paper Abstract

Ultra-short laser applications require high quality dielectric optics. The natural dispersion of light needs to be matched by dielectric components. However such dispersive components are very challenging for the deposition process and are characterized by high field intensities inside the layer stack. Such layers are expected to diminish the possible laser induced damage thresholds (LIDTs) because of their low optical gap value for suitable high refractive index materials. This paper reports about the manufacturing of amorphous nanolaminates to tune the optical gap. Such sequences are substituted into a conventional high reflective mirror to decrease the electric field of binary Tantala layers by 30 % which correlates to an improvement in LIDT of almost 16%.

Paper Details

Date Published: 22 March 2018
PDF: 8 pages
Proc. SPIE 10447, Laser-Induced Damage in Optical Materials 2017, 1044712 (22 March 2018); doi: 10.1117/12.2281126
Show Author Affiliations
T. Willemsen, Institut für Quantenoptik Quest (Germany)
Laser Zentrum Hannover e.V. (Germany)
M. Brinkmann, Laser Zentrum Hannover e.V. (Germany)
M. Jupé, Laser Zentrum Hannover e.V. (Germany)
M. Gyamfi, Laser Zentrum Hannover e.V. (Germany)
S. Schlichting, Institut für Quantenoptik Quest (Germany)
Laser Zentrum Hannover e.V. (Germany)
D. Ristau, Institut für Quantenoptik Quest (Germany)
Laser Zentrum Hannover e.V. (Germany)


Published in SPIE Proceedings Vol. 10447:
Laser-Induced Damage in Optical Materials 2017
Gregory J. Exarhos; Vitaly E. Gruzdev; Joseph A. Menapace; Detlev Ristau; MJ Soileau, Editor(s)

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