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Proceedings Paper

Design, fabrication, and characterization of subwavelength periodic structures for semiconductor antireflection coating in the visible domain
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Paper Abstract

Subwavelength structured (SWS) surfaces etched directly into different substrates provide performance equivalent to an ideal anti-reflection thin film. We report on SWS surfaces etched into silicon which present anti-reflection properties for visible light. The fabrication of the SWS component is based on a double holographic exposure of photoresist and reactive ion etching processes. At normal incidence, the reflectivity for the HeNe line is 0.02. This reflectivity measurement includes a 1 percent diffusion by the surface. Measurements of the reflectivity over the whole visible spectrum and over a wide field of view are provided.

Paper Details

Date Published: 19 August 1996
PDF: 10 pages
Proc. SPIE 2776, Developments in Optical Component Coatings, (19 August 1996); doi: 10.1117/12.246835
Show Author Affiliations
Philippe Lalanne, Institut d'Optique Theoretique et Appliquee/CNRS (France)
G. Michael Morris, The Institute of Optics/Univ. of Rochester (United States)


Published in SPIE Proceedings Vol. 2776:
Developments in Optical Component Coatings
Ian Reid, Editor(s)

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