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Proceedings Paper

UV photosensitivity in conventionally melted germano-silicate glasses
Author(s): Nicholas F. Borrelli; Charlene M. Smith; Venkata A. Bhagavatula
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Paper Abstract

The UV-photosensitivity effect in germania-doped optical waveguides has become an important area of research because of the ease and utility of making Bragg gratings. In this study we report on the finding of a large UV-induced refractive index change in a conventionally melted an alkali-alumino-boro-germano- silicate composition that has been loaded with molecular hydrogen. The exposure was done with either CW 244-nm light, or a pulsed KrF excimer laser at 248-nm. A modulated refractive index of the order of 2-3 X 10-4 has been measured.

Paper Details

Date Published: 25 October 2000
PDF: 13 pages
Proc. SPIE 4102, Inorganic Optical Materials II, (25 October 2000); doi: 10.1117/12.405291
Show Author Affiliations
Nicholas F. Borrelli, Corning Inc. (United States)
Charlene M. Smith, Corning Inc. (United States)
Venkata A. Bhagavatula, Corning Inc. (United States)

Published in SPIE Proceedings Vol. 4102:
Inorganic Optical Materials II
Alexander J. Marker; Eugene G. Arthurs, Editor(s)

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