Metal-Slit Array Fresnel-Lens for Optical Coupling

Title
Metal-Slit Array Fresnel-Lens for Optical Coupling
Authors
정영진박동원유선규구석모유형석한상헌박남규김재헌전영민이석
Issue Date
2009-09
Publisher
NUSOD2009 International Conference on Numerical Solutions of Optical Devices
Citation
VOL WC1
Abstract
We proposed, for the first time, to utilize metal-slits array Fresnel lens for the optical coupling form free space into silicon slab waveguide while overcoming near focal length limit of the conventional dielectric Fresnel lens. Physical limits of the conventional Fresnel lens were revealed and it was proposed to employ metal-slit array to overcome these limitations. Comparative study has been carried out with a FDTD simulation between normal Fresnel lens coupling and metal-slit array Fresnel lens coupling.
URI
http://pubs.kist.re.kr/handle/201004/36375
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KIST Publication > Conference Paper
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