Role of granular structure in metal layers on the optical properties of absorbing mirrors

H. Walter; G. Bauer; Ralph Domnick; Georg Jakopic; Alfred Leitner

doi:10.1117/1.2363167

1 October 2006 Role of granular structure in metal layers on the optical properties of absorbing mirrors

H. Walter, G. Bauer, Ralph Domnick, Georg Jakopic, Alfred Leitner

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Optical Engineering, Vol. 45, Issue 10, 103801 (October 2006). https://doi.org/10.1117/1.2363167

Abstract

Absorbing mirrors are optical thin film systems consisting of an absorbing metal layer held by a transparent interlayer in defined distance to a (metal) mirror layer. In the reflected light, such three-layer systems show vivid color effects due to the absorption in the metal. This absorption is modified and enhanced by interference effects. The interference condition can be tuned by the thickness of the transparent interlayer. We show by experimentation and by stratified medium model calculations the importance of a nanoscale granular structure in the absorbing metal layer for obtaining a wide spectral range of the color effect.

©(2006) Society of Photo-Optical Instrumentation Engineers (SPIE)

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H. Walter, G. Bauer, Ralph Domnick, Georg Jakopic, and Alfred Leitner "Role of granular structure in metal layers on the optical properties of absorbing mirrors," Optical Engineering 45(10), 103801 (1 October 2006). https://doi.org/10.1117/1.2363167

Published: 1 October 2006

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