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Optical design including characteristics of manufactured nano-structures

 
: Wächter, Christoph; Müller, Martin; Förster, Erik; Oliva, Maria; Michaelis, Dirk

:

Kahan, M.A. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Optical Modeling and Performance Predictions VI : August 2013, San Diego, California
Bellingham, WA: SPIE, 2013 (Proceedings of SPIE 8840)
ISBN: 978-0-8194-9690-4
Paper 88400B
Conference "Optical Modeling and Performance Predictions" <6, 2013, San Diego/Calif.>
English
Conference Paper
Fraunhofer IOF ()
optical modeling; material characterization; nanostructure

Abstract
Micro- and nanostructures enable specific optical functionalities, which rely on diffractive effects or effective medium features, depending on pattern dimension and wavelength. Performance predictions of optical systems which make use of nanostructured materials require having an accurate description of these materials ready to hand within the optical design. At the one hand, nanostructure characteristics which result from rigorous electromagnetic modeling can be used for the optical design. At the other hand, manufactured nanostructures may deviate from their idealized geometry, which will affect the performance of the optical system, wherein these artificial structures will be used. Thus, detailed optical characterization of the micro- or nanostructure functionality is prerequisite for accurate optical design and performance prediction. To this end, several characterization techniques can be applied depending on the scope of the optical design, finally. We report on a general route to include all accessible and required optical information about the nanostructured material within a corresponding model of the nanostructure as a specific optical component which can be used within a ray-trace engine, finally. This is illustrated by a meta-material with asymmetric transmission properties in some more detail.

: http://publica.fraunhofer.de/documents/N-266647.html