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Conferences > BGPPF > 1997 > JSuE > JSuE.24
  • Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides: Applications and Fundamentals
  • Technical Digest Series (Optica Publishing Group, 1997),
  • paper JSuE.24
  • •https://doi.org/10.1364/BGPPF.1997.JSuE.24

Photochromic/photoconductive effects in cadmium-alumino fluorosilicates

L.K. Cornelius, P.A. Tick, and N.F. Borelli

Open Access Open Access

Abstract

A novel interaction was observed in cadmium-alumino fluorosilicate glasses when exposed to near UV radiation. Glasses high in cadmium were observed to be photochromic. Accompanying the darkening process was a change of up to five orders of magnitude in the DC conductivity. The process involved the formation of the cadmous ion (Cd+1) as an electron trap. A thin, transparent conductive skin could also be formed by appropriate heat treatments.

© 1997 Optical Society of America

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