Share Email Print

Journal of Nanophotonics

Optical resonant Archimedean spiral antennas
Author(s): Hanqing Wen; Jing Yang; Weiwei Zhang; Jiasen Zhang
Format Member Price Non-Member Price
PDF $20.00 $25.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

We investigated the field enhancement properties of optical resonant Archimedean spiral antennas by using a finite difference time domain method. Due to the spiral structure, the antennas show a circular dichroism in the electric field enhancement, especially for a large turning angle. A large magnetic field enhancement is also obtained with a confinement in the nanometer size. When the turning angle equals π for a linearly polarized incident beam, the polarization of the enhanced field in the spiral antenna can be perpendicular to the incident polarization with a similar enhancement factor to the optical resonant dipole antennas.

Paper Details

Date Published: 1 January 2011
PDF: 8 pages
J. Nanophoton. 5(1) 053523 doi: 10.1117/1.3643270
Published in: Journal of Nanophotonics Volume 5, Issue 1
Show Author Affiliations
Hanqing Wen, Peking Univ. (China)
Jing Yang, Peking Univ. (China)
Weiwei Zhang, Peking Univ. (China)
Jiasen Zhang, Peking Univ. (China)

© SPIE. Terms of Use
Back to Top