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Modeling the optical properties of semicontinuous metal films using scaling theory

Type: SSO Seminar
Date/Time: 2010-02-03 16:00
Location: 304 Weniger Hall
Event speaker: Nicholas Kuhta, OSU
Title: Modeling the optical properties of semicontinuous metal films using scaling theory
Contact: Bill Hetherington

Abstract

We develop a quantitative description of giant asymmetry in reflectance, recently observed in semicontinuous silver films. A developed scaling-theory-based technique adequately explains the spectral properties of semicontinuous composites, as well as provides insight into the origin of an experimentally observed absorbance anomaly in the vicinity of percolation threshold. Controllable broadband asymmetrical optical properties, observed in the vicinity of percolation threshold in our films, could be useful for optical isolators, waveplates, mirrors, solar cell technology, and biological sensors.