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Advanced Optical Technologies

Editor-in-Chief: Pfeffer, Michael


CiteScore 2017: 1.31

SCImago Journal Rank (SJR) 2017: 0.530
Source Normalized Impact per Paper (SNIP) 2017: 1.268

In co-publication with THOSS Media GmbH

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2192-8584
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Volume 6, Issue 5

Issues

Defined wetting properties of optical surfaces

Nadja Felde
  • Corresponding author
  • Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Strasse 7, 07745 Jena, Germany
  • Friedrich Schiller University, Institute of Applied Physics, Abbe Center of Photonics, Albert-Einstein-Str. 6, 07745 Jena, Germany
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  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Luisa Coriand
  • Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Strasse 7, 07745 Jena, Germany
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  • De Gruyter OnlineGoogle Scholar
/ Sven Schröder
  • Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Strasse 7, 07745 Jena, Germany
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  • De Gruyter OnlineGoogle Scholar
/ Angela Duparré
  • Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Strasse 7, 07745 Jena, Germany
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  • De Gruyter OnlineGoogle Scholar
/ Andreas Tünnermann
  • Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Strasse 7, 07745 Jena, Germany
  • Friedrich Schiller University, Institute of Applied Physics, Abbe Center of Photonics, Albert-Einstein-Str. 6, 07745 Jena, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2017-06-09 | DOI: https://doi.org/10.1515/aot-2017-0028

Abstract

Optical surfaces equipped with specific functional properties have attracted increasing importance over the last decades. In the light of cost reduction, hydrophobic self-cleaning behavior is aspired. On the other side, hydrophilic properties are interesting due to their anti-fog effect. It has become well known that such wetting states are significantly affected by the surface morphology. For optical surfaces, however, this fact poses a problem, as surface roughness can induce light scattering. The generation of optical surfaces with specific wetting properties, hence, requires a profound understanding of the relation between the wetting and the structural surface properties. Thus, our work concentrates on a reliable acquisition of roughness data over a wide spatial frequency range as well as on the comprehensive description of the wetting states, which is needed for the establishment of such correlations. We will present our advanced wetting analysis for nanorough optical surfaces, extended by a vibration-based procedure, which is mainly for understanding and tailoring the wetting behavior of various solid-liquid systems in research and industry. Utilizing the relationships between surface roughness and wetting, it will be demonstrated how different wetting states for hydrophobicity and hydrophilicity can be realized on optical surfaces with minimized scatter losses.

Keywords: contact angle; light scattering; surface roughness; thin films; wetting properties

OCIS codes: 120.6660 surface measurements, roughness; 160.4236 nanomaterials; 310.6860 thin films, optical properties; 310.6870 thin films, other properties

References

About the article

Received: 2017-04-10

Accepted: 2017-05-08

Published Online: 2017-06-09

Published in Print: 2017-10-26


Citation Information: Advanced Optical Technologies, Volume 6, Issue 5, Pages 387–394, ISSN (Online) 2192-8584, ISSN (Print) 2192-8576, DOI: https://doi.org/10.1515/aot-2017-0028.

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