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Antireflective Coatings and Optical Filters

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Chemical Solution Deposition of Functional Oxide Thin Films

Abstract

Sol-gel techniques are particularly suitable for the preparation of antireflective (AR) coatings and optical filters: Chemical compositions and thus optical properties can be adjusted over a wide range; different films are easily combined to multilayer arrangements. The selective implementation of porosity allows the preparation if films with unique optical characteristics. Additionally micro- and nanopatterns can be fabricated by embossing techniques that are difficult or impossible to be produced otherwise. This chapter shortly reviews the general strategies for AR coatings. Methods for the sol-gel processing of single- and multilayer interference-type films are described; references to respective commercial products are given. Elaborate stack arrangements are used as optical filters beyond the scope of AR-coatings. Index-gradient films are finally introduced including “moth-eye” films prepared by the embossing and subsequent thermal curing of specific coatings.

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Authors and Affiliations

  1. Fraunhofer Institut für Silicatforschung ISC, Neunerplatz 2, 97082, Würzburg, Germany

    Peer Löbmann

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  1. Peer Löbmann
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Correspondence to Peer Löbmann .

Editor information

Editors and Affiliations

  1. RWTH Aachen University, Aachen, Germany

    Theodor Schneller

  2. RWTH Aachen University, Aachen, Germany

    Rainer Waser

  3. Jožef Stefan Institute, Ljubljana, Slovenia

    Marija Kosec

  4. University of Illinois at Urbana-Champai, Urbana, Illinois, USA

    David Payne

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Löbmann, P. (2013). Antireflective Coatings and Optical Filters. In: Schneller, T., Waser, R., Kosec, M., Payne, D. (eds) Chemical Solution Deposition of Functional Oxide Thin Films. Springer, Vienna. https://doi.org/10.1007/978-3-211-99311-8_28

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