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Abbreviated Journal Title

Appl. Phys. Lett.

Keywords

Glasses; Fibers; Physics; Applied

Abstract

We report the effects of post-deposition, reducing atmosphere heat treatment on the optical absorption, and photoluminescence response of 45 GeO2-55 SiO2 thin films produced using the sol-gel process. With increasing heat treatment, a linear increase in the 242 nm absorption peak (associated with oxygen-deficient germania centers) is found to contrast a reduction in the intensity of red photoluminescence (attributed to hydrogen centers in the glass structure). These results are discussed in terms of the photosensitive response of these materials.

Journal Title

Applied Physics Letters

Volume

64

Issue/Number

19

Publication Date

1-1-1995

Document Type

Article

Language

English

First Page

2537

Last Page

2539

WOS Identifier

WOS:A1994NK25800024

ISSN

0003-6951

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