Volume 74, Number 4, May 2006
|Page(s)||693 - 698|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||12 April 2006|
Surface plasmon interference fringes in back-reflection
Institute of Physics, Karl-Franzens University Graz - Universitätsplatz 5 A-8010 Graz, Austria
2 Laboratoire de Physique de l'Université de Bourgogne, UMR CNRS 5027 9 Avenue A. Savary, BP 47870, F-21078 Dijon, France
Accepted: 29 March 2006
We report the experimental observation of surface plasmon polariton (SPP) interference fringes with near-unity visibility and half-wavelength periodicity obtained in back reflection on a Bragg mirror. The presented method based on leakage radiation microscopy (LRM) represents an alternative solution to optical near-field analysis and opens new ways for the quantitative analysis of SPP fringes. With LRM we investigate various SPP interference patterns and analyze the high reflectivity of Bragg mirror in comparison with theoretical models.
PACS: 78.67.-n – Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures
© EDP Sciences, 2006
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