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Proceedings Paper

Sub-wavelength grating induced wavefront aberrations: a case study
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Paper Abstract

The on-axis wavefront aberrations of a one-dimensional sub-wavelength grating anti-reflection coating on a f/1.7 lens surface is dominated by defocus, astigmatism, and piston. The astigmatism is 0.02 waves and the magnitude of the piston approaches 1 wave peak-to-valley. The difference in aberrations between orthogonally polarized wavefronts, or the retardance aberration, shows 0.01 waves of astigmatism like variation and more than 0.01 waves of retardance induced defocus like variation.

Paper Details

Date Published: 12 July 2006
PDF: 7 pages
Proc. SPIE 6342, International Optical Design Conference 2006, 63420C (12 July 2006); doi: 10.1117/12.692200
Show Author Affiliations
Karlton Crabtree, College of Optical Sciences, Univ. of Arizona (United States)
Russell A. Chipman, College of Optical Sciences, Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 6342:
International Optical Design Conference 2006
G. Groot Gregory; Joseph M. Howard; R. John Koshel, Editor(s)

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