Theoretical analysis of subwavelength high contrast grating reflectors

A simple analytic analysis of the ultra-high reflectivity feature of subwavelength dielectric gratings is developed. The phenomenon of ultra high reflectivity is explained to be a destructive interference effect between the two grating modes. Based on this phenomenon, a design algorithm for broadban...

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Bibliographic Details
Published in:Optics express 2010-08, Vol.18 (16), p.16973-16988
Main Authors: Karagodsky, Vadim, Sedgwick, Forrest G, Chang-Hasnain, Connie J
Format: Article
Language:English
Subjects:
Computer Simulation
Equipment Design
Lenses
Light
Refractometry - instrumentation
Scattering, Radiation
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Summary:A simple analytic analysis of the ultra-high reflectivity feature of subwavelength dielectric gratings is developed. The phenomenon of ultra high reflectivity is explained to be a destructive interference effect between the two grating modes. Based on this phenomenon, a design algorithm for broadband grating mirrors is suggested.
ISSN:1094-4087
1094-4087
DOI:10.1364/oe.18.016973