镉铝氟硅酸盐的光致变色/光导效应

Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides: Applications and Fundamentals Pub Date : 1900-01-01 DOI:10.1364/bgppf.1997.jsue.24

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

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引用次数: 0

摘要

当暴露于近紫外线辐射时，在镉铝氟硅酸盐玻璃中观察到一种新的相互作用。镉含量高的玻璃被观察到是光致变色的。伴随变暗过程的是直流电导率高达五个数量级的变化。这个过程包括形成镉离子(Cd+1)作为一个电子陷阱。通过适当的热处理，也可以形成一层薄而透明的导电皮肤。

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Photochromic/photoconductive effects in cadmium-alumino fluorosilicates

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.

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Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides: Applications and Fundamentals

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