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Surface roughness characterization of smooth optical films deposited by ion plating

 
: Jakobs, S.; Duparre, A.; Huter, M.; Pulker, H.K.

:

Thin solid films 351 (1999), No.1,2, pp.141-145
ISSN: 0040-6090
English
Journal Article
Fraunhofer IOF ()
atomic force microscopy; ion plating; light scattering; surface roughness

Abstract
The surface topography of Ta205 and Si02 layers deposited by ion plating was studied by atomic force microscopy (AFM) and total integrated light scattering. A nearly perfect replication of the microroughness of superpolished and conventionally polished substrates was observed by AFM. Consequently, the scattering was not increased by the intrinsic microroughness of the films. However, local scatter maxima occured that were attributed to local defects.

: http://publica.fraunhofer.de/documents/PX-35429.html