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Silicon Hydride Formation in Co-60 Irradiated Optical Fibers

Published online by Cambridge University Press:  21 February 2011

Bruce D. Evans
Bruce D. Evans*
Affiliation:
Boeing Electronics, High Technology Center, P.O. Box 24969, Seattle, W A 98124-6269
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Abstract

Doping with hydrogen is shown to reduce the sensitivity of optical fibers to form optical attenuation bands as a result of ionizing radiation and to increase the recovery rate in the near infrared after the exposure. In this case silicon hydride is shown to form in low-OH, pure silica fibers upon Co-60 irradiation. The ratio of radiolytically induced changes in silicon hydride to silicon hydroxide is estimated to be greater than ten. The more numerous radiolytic formation of SiH species implies the participation of oxygen vacancy type defects in the radiolytic process.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 152: Symposium H – Optical Materials: Processing and Science , 1989 , 245
Copyright
Copyright © Materials Research Society 1989

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References

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