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Proceedings Paper

Another Viewpoint On Antireflection Coating Design
Author(s): R. R. Willey
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Paper Abstract

Most antireflection coatings in use today are derived from concepts based on the use of quarter-wave (Q) and half-wave (H) optical thickness layers. We show an alternative and more general way of viewing the concepts and how special cases reduce to the commonly used forms. The monotonically graded inhomogeneous index layer from the substrate to the medium has been extensively reported by Jacobsson and Martensson(1), Dobrowolski and Ho(2), and others. Various oscillating index profiles between the substrate and the medium show promise in producing superior broadband AR coatings. These concepts have evolved from observation of broadband designs using multiple homogeneous quarter- and half-wave optical thickness layers as described by DeBell(3). The viewpoint leads to some further understanding of the possibilities and limitations of AR coatings in general.

Paper Details

Date Published: 1 April 1990
PDF: 8 pages
Proc. SPIE 1191, Optical Systems for Space and Defence, (1 April 1990); doi: 10.1117/12.969662
Show Author Affiliations
R. R. Willey, Opto Mechanik, Inc. (United States)


Published in SPIE Proceedings Vol. 1191:
Optical Systems for Space and Defence
Alan H. Lettington, Editor(s)

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