Dresden 2003 – wissenschaftliches Programm

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SYOC: Optical coating in information technology, light management and other areas

SYOC 1: Optical coating in information technology, light management and other areas I

SYOC 1.1: Hauptvortrag

Dienstag, 25. März 2003, 09:30–10:05, HSZ/01

New challenges in optical coating design — •Olaf Stenzel — Fraunhofer Institute of Applied Optics and Precision Engineering, Winzerlaer Str. 10, 07745 Jena, Germany

As a matter of fact, modern mathematical algorithms (such as the needle optimisation technique) allow to theoretically generate thin film designs that fit nearly any reasonable specification. Nevertheless, as practice has shown, the gap between calculated and technologically achievable characteristics may be significant, so that the search for qualitatively new design tools is still in progress and represents one of the most complex challenges in thin film coating theory today. Such new design challenges include the incorporation of gradient index layers into classical designs, the design of rugate filters, or novel filter concepts basing on resonant grating waveguide structures. Moreover, synergetic effects between classical interference coating design and the new field of No-dqplasmonicsNo-dq are expected to lead to the development of novel spectrally selective absorber coatings.