Publication: Nanoscale plasmonic devices for dynamically controllable beam focusing and scanning
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KU Authors
Co-Authors
Çetin, Arif Engin
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Abstract
We have performed simulations to investigate the variable focusing and scanning capability of metallic nano-slit configurations. In a symmetric nanorod configuration inside an aperture with adjustable offset of the center rod, the focal position is found to be variable in the 0.5-3.5 mu m range. In a ladder configuration of the rods, the transmitted beam is found to be deflected up to 23 degrees. Horizontal displacement of rods allows for finer control of angular scanning up to 4 degrees. Such slit geometries offer the potential to be controlled by using nano-positioning systems for applications in dynamic beam shaping and scanning on the nanoscale.
Source
Publisher
Elsevier
Subject
Metallic nanoslit beam control, Nanotechnology, Dynamic beam shaping, Nano-positioning optical systems, Nanorod configuration, Physics
Citation
Has Part
Source
Photonics and Nanostructures-Fundamentals and Applications
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Edition
DOI
10.1016/j.photonics.2009.12.001
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