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Proceedings Paper

Morphology investigations by atomic force microscopy of thin films and substrates for excimer laser mirrors
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Paper Abstract

The surface microstructure of evaporated single layer and multilayer fluoride coatings for KrF lasers as well as the topography of uncoated fused silica substrates have been investigated with an atomic force microscope (AFM). The fluoride films exhibit a pronounced columnar microstructure that accounts for the typical surface morphology and causes surface roughness the magnitude of which depends on film thickness and substrate temperature. Well polished fused silica substrates show low surface roughness, which has been determined from both AFM and light scattering measurements.

Paper Details

Date Published: 28 July 1994
PDF: 11 pages
Proc. SPIE 2114, Laser-Induced Damage in Optical Materials: 1993, (28 July 1994); doi: 10.1117/12.180920
Show Author Affiliations
Angela Duparre, Fraunhofer Einrichtung fuer Angewandte Optik und Feinmechanik (Germany)
Norbert Kaiser, Fraunhofer Einrichtung fuer Angewandte Optik und Feinmechanik (Germany)
Stefan Jakobs, Fraunhofer Einrichtung fuer Angewandte Optik und Feinmechanik (Germany)


Published in SPIE Proceedings Vol. 2114:
Laser-Induced Damage in Optical Materials: 1993
Harold E. Bennett; Lloyd L. Chase; Arthur H. Guenther; Brian Emerson Newnam; M. J. Soileau, Editor(s)

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