Investigation of the effect of finite grating size on the performance of guided-mode resonance filters
- 20 July 2000
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 39 (21) , 3649-3653
- https://doi.org/10.1364/ao.39.003649
Abstract
We evaluate the effect of finite aperture gratings on the spectral and efficiency characteristics of guided-mode resonance filters. A simple analytical model based on the attenuation properties of the waveguide and a fixed length of the grating aperture is developed. The results from this model are in good agreement with experimental filters formed with subwavelength period photoresist gratings and solgel waveguides.Keywords
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