Multilayer Film Growth on Silver Using Surface Plasmon Resonance. Progress Report

摘要

During the first 7 months of this two year Surface Plasmon Resonance project we have made considerable progress. We confirmed the presence of an anomalously large plasmon scattering mechanism when 100A xenon films are adsorbed onto a silver surface at 60 degrees K. This anomaly and its relation to surface roughness was reported at the APS March Meeting. The anomaly's dependence on temperature and film thickness will be carefully investigated this year. But first, we wanted to improve thermal stability by replacing our glass SPR coupling prism with a sapphire one and by remounting the prism to the cold tip refrigerator. During this time the apparatus was moved to a larger and more appropriate laboratory space and the vacuum system was completely rebuilt. The doubly trapped diffusion pump system and optical chamber were replaced with a large ultra-high vacuum chamber and vacion pump. Our system is now reassembled and presently operative in the 6 x 10 exp -10 Torr range. (ERA citation 10:009281)