Title :
Shaping the optical near-field vortex distribution in a plasmonic spiral
Author :
Huang, Wei-Lun ; Tsao, Hsiu-Hao ; Huang, Chen-Bin
Author_Institution :
Inst. of Photonics Technol., Nat. Tsing Hua Univ., Hsinchu, Taiwan
Abstract :
We demonstrate numerically that the shape (“c” and triangle) and the orientation of surface plasmon intensity distribution can be arbitrarily controlled in a plasmonic spiral through simple geometrical design.
Keywords :
geometrical optics; optical design techniques; optical vortices; plasmonics; surface plasmons; geometrical design; optical near-field vortex distribution; plasmonic spiral; surface plasmon intensity distribution; Optical polarization; Optical surface waves; Optical vortices; Plasmons; Shape; Spirals; Surface waves;
Conference_Titel :
Photonics Conference (PHO), 2011 IEEE
Conference_Location :
Arlington, VA
Print_ISBN :
978-1-4244-8940-4
DOI :
10.1109/PHO.2011.6110484
