Title :
Experimental verification of the “rainbow” trapping effect in plasmonic graded gratings
Author :
Gan, Qiaoqiang ; Gao, Yongkang ; Wagner, Kyle ; Vezenov, Dmitri V. ; Ding, Yujie J. ; Bartoli, Filbert J.
Author_Institution :
Electr. & Comput. Eng. Dept., Lehigh Univ., Bethlehem, PA, USA
Abstract :
Direct measurements on graded grating structures show that light of different wavelengths in the 500-700 nm region is “trapped” at different positions along the grating, consistent with theoretical predictions, thus verifying the “rainbow” trapping effect.
Keywords :
diffraction gratings; nanophotonics; nanostructured materials; optical materials; plasmonics; polaritons; silver; surface plasmons; Ag; coupled-wave analysis; nanopatterned surfaces; plasmonic graded gratings; rainbow trapping effect; silver grating surfaces; surface plasmon polaritons; wavelength 500 nm to 700 nm;
Conference_Titel :
IEEE Photonics Society, 2010 23rd Annual Meeting of the
Conference_Location :
Denver, CO
Print_ISBN :
978-1-4244-5368-9
DOI :
10.1109/PHOTONICS.2010.5698923
