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Design and manufacture of spectrally selective reflecting coatings for the use with laser display projection screens

 
: Rickers, C.; Vergöhl, M.; Klages, C.-P.

:

Applied optics 41 (2002), No.16, pp.3097-3106
ISSN: 0003-6935
ISSN: 1539-4522
ISSN: 1559-128X
English
Journal Article
Fraunhofer IST ()
display instrumentation; ellipsometry; optical design techniques; reflectivity

Abstract
To provide screens for laser projection that improve contrast, a spectrally selective reflecting filter was designed by using genetic algorithms to overcome the problem of unknown starting values. Colorimetries rather than fixed targets were used for evaluation. Various selective filters were deposited upon glass as well as upon solid and flexible plastic substrates by reactive mid-frequency magnetron sputtering. For process control, in situ spectroscopic ellipsometry was applied.

: http://publica.fraunhofer.de/documents/N-14836.html