Paper
12 July 2006 Sub-wavelength grating induced wavefront aberrations: a case study
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Proceedings Volume 6342, International Optical Design Conference 2006; 63420C (2006) https://doi.org/10.1117/12.692200
Event: International Optical Design Conference 2006, 2006, Vancouver, BC, Canada
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.
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Karlton Crabtree and Russell A. Chipman "Sub-wavelength grating induced wavefront aberrations: a case study", Proc. SPIE 6342, International Optical Design Conference 2006, 63420C (12 July 2006); https://doi.org/10.1117/12.692200
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KEYWORDS
Wavefront aberrations

Polarization

Monochromatic aberrations

Transmittance

Wavefronts

Antireflective coatings

Diffraction gratings

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