Title :
Amplification of the evanescent field of free electrons
Author :
So, J.K. ; Ou, J.Y. ; Adamo, G. ; MacDonald, K.F. ; De Abajo, F. J Garcia ; Zheludev, N.I.
Author_Institution :
Optoelectron. Res. Centre, Univ. of Southampton, Southampton, UK
Abstract :
A nanoscale plasmonic metal film can amplify free-electron evanescent fields, leading to strongly enhanced light emission via Smith-Purcell effect through a mechanism analogous to the `poor-man´s superlens´ for optical evanescent field enhancement.
Keywords :
metallic thin films; nanostructured materials; plasmonics; Smith-Purcell effect; evanescent field amplification; free-electron evanescent fields; nanoscale plasmonic metal film; optical evanescent field enhancement; poor-man superlens; strongly enhanced light emission; Gratings; Microscopy; Optical fiber amplifiers; Optical surface waves; Plasmons; Silver;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
