Plasmon optics of structured silver films
Abstract
Excitation and propagation of surface plasmons in silver films structured with narrow straight grooves were visualized in unprecedented detail by means of near-field optical techniques. Reflectivity, transmissivity, and scattering loss of the grooves are demonstrated. Their values are determined semiquantitatively. The surface plasmon attenuation are found to be dominated by material and surface/interface imperfections.
- Publication:
-
Physical Review B
- Pub Date:
- April 2001
- DOI:
- Bibcode:
- 2001PhRvB..63o5404B
- Keywords:
-
- 73.20.Mf;
- 42.25.Hz;
- 42.30.Va;
- 78.20.Ci;
- Collective excitations;
- Interference;
- Image forming and processing;
- Optical constants