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Antireflection Coatings for Strongly Curved Glass Lenses by Atomic Layer Deposition
Open AccessArticle

Design of Nano-Porous Multilayer Antireflective Coatings

Department of Electrical and Computing Engineering, University of Toronto, Toronto ON M5S 3G4, Canada
Materials Science and Engineering Department, University of Toronto, Toronto ON M5S P3E4, Canada
Author to whom correspondence should be addressed.
Coatings 2017, 7(9), 134;
Received: 29 July 2017 / Revised: 18 August 2017 / Accepted: 24 August 2017 / Published: 26 August 2017
(This article belongs to the Special Issue Antireflective Coatings for Glass and Transparent Polymers)
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We present an overview of the design potential of nano-porous anti-reflection coatings (ARCs) and the associated challenges in its fabrication. Genetic algorithm optimization for the most effective ARCs on glass for normal and all incident angles is carried out and an admittance loci-based pictorial is used to visualize their performance. We then describe the advantages of using nano-porous multi-layers vis-à-vis other types of moth-eye type nano-grating films: Principally trading high performance and high cost of fabrication for good performance and lower cost facile synthesis. We describe some of the issues involved in the fabrication of such multi-layer stacks on glass and polymeric substrates and provide suggestions for overcoming these limitations. View Full-Text
Keywords: anti-reflection coatings; nano-porosity; genetic algorithm; spectral ellipsometry anti-reflection coatings; nano-porosity; genetic algorithm; spectral ellipsometry

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Loh, J.Y.Y.; Kherani, N. Design of Nano-Porous Multilayer Antireflective Coatings. Coatings 2017, 7, 134.

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