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Proceedings Paper

Giant enhancement of spectral emissions from molecules adsorbed on fractal/microcavity composite media
Author(s): Robert L. Armstrong; Won-Tae Kim; Viktor A. Podolskiy; Vladimir M. Shalaev; Vladimir P. Drachev; Vladimir P. Safonov
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Paper Abstract

We describe the characteristics of a novel optical material developed in our laboratory, a fractal/microcavity composite. Both components of this composite exhibit resonance behavior whereby the amplitudes of spectral emissions, generated by molecules either adsorbed onto the composite or located remotely from it, are significantly enhanced. In the composite, the individual enhancement factors combine multiplicatively with the result that spectral emissions are enhanced by an extremely large factor. In particular, the extremely large enhancement factors facilitate the generation of nonlinear optical processes in the composite, which may be exploited in the fabrication of ultra-sensitive detectors.

Paper Details

Date Published: 22 February 2002
PDF: 4 pages
Proc. SPIE 4577, Vibrational Spectroscopy-based Sensor Systems, (22 February 2002); doi: 10.1117/12.455750
Show Author Affiliations
Robert L. Armstrong, New Mexico State Univ. (United States)
Won-Tae Kim, New Mexico State Univ. (United States)
Viktor A. Podolskiy, New Mexico State Univ. (United States)
Vladimir M. Shalaev, Purdue Univ. (United States)
Vladimir P. Drachev, Institute of Automation and Electrometry (Russia)
Vladimir P. Safonov, Institute of Automation and Electrometry (Russia)

Published in SPIE Proceedings Vol. 4577:
Vibrational Spectroscopy-based Sensor Systems
Steven D. Christesen; Arthur J. Sedlacek, Editor(s)

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