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Spectral laser damage testing of optical materials

 
: Schröder, S.; Garrick, M.; Munser, A.-S.; Trost, M.

:

Advanced Optical Technologies 6 (2017), No.5, pp.359-369
ISSN: 2192-8584
ISSN: 2192-8576
English
Journal Article
Fraunhofer IOF ()

Abstract
The spectral laser-induced damage of optical components was measured using a new instrument based on combining a laser-induced damage threshold (LIDT) testing procedure with angle-resolved light scattering and using a tunable optical parametric oscillator laser source. Tests on aluminum mirrors revealed a significant drop of the LIDT around 800 nm, which is not predicted by simple scaling laws. For near-infrared edge filters, remarkable changes in the LIDT around the band edge were observed, which are linked to the spectral variation of the field distribution in the interference coating.

: http://publica.fraunhofer.de/documents/N-473744.html