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Proceedings Paper

Optical fiber radiation damage measurements
Author(s): Sanath R. Ediriweera; Frank Kvasnik
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Paper Abstract

The results of studies of changes in the spectroscopic properties of commercial fibers are reported. Analysis of the attenuation spectra of various fibers have confirmed the expected different behavior of Ge-doped and pure silica fibers. However, differences in spectra of fibers made nominally from the same materials but using different processes were also observed. It is therefore concluded that the manufacturing process as well as doping determine the relative abundance of Type I and II color-center defects. The Raman spectra of the fibers were also obtained and analyzed. A strong resonant fluorescence at 650 nm, thought to be due to Type II color-centers, was observed in certain fibers. In general the changes in Raman spectra followed the theoretical expectation, however, the differences between fibers could not be entirely attributed to the doping levels. Again the manufacturing process and the subsequent treatment of fibers is thought to be partially responsible.

Paper Details

Date Published: 1 March 1991
PDF: 12 pages
Proc. SPIE 1399, Optical Systems in Adverse Environments, (1 March 1991); doi: 10.1117/12.26099
Show Author Affiliations
Sanath R. Ediriweera, UMIST (United Kingdom)
Frank Kvasnik, UMIST (United Kingdom)

Published in SPIE Proceedings Vol. 1399:
Optical Systems in Adverse Environments
Soon Fatt Yoon; M. H. Kuok; Donald E. Silva, Editor(s)

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