TITLE

Raman study on silica optical fibers subjected to high tensile stress

AUTHOR(S)
Hibino, Yoshinori; Hanafusa, Hiroaki; Ema, Kazuhiro; Hyodo, Shin-ichi
PUB. DATE
October 1985
SOURCE
Applied Physics Letters;10/15/1985, Vol. 47 Issue 8, p812
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
For silica (pure and synthetic) optical fibers, on which tensile stresses from 0 to 4 GPa were imposed, Raman studies were carried out. It has become evident by deconvoluting the silica Raman peaks that the main peak intensity at 440 cm-1 decreases with increasing stress while the peaks at 490, 604, and 800 cm-1 remain practically unchanged. The fact that the 490 cm-1 defect line was not affected by the stress applied to fibers is contrary to the conclusion by G. E. Walrafen, P. N. Krishnan, and S. W. Freiman [J. Appl. Phys. 52, 2832 (1981)]. The results obtained in the present study are rather extensively discussed from a microscopic view of silica glass networks.
ACCESSION #
9818348

 

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