Glass manufacturing – Processes of manufacturing fibers – filaments – or preforms – With measuring – controlling – sensing – programming – timing,...
Patent
1996-10-30
1998-12-22
Palmer, Phan T.H.
Glass manufacturing
Processes of manufacturing fibers, filaments, or preforms
With measuring, controlling, sensing, programming, timing,...
65435, 65381, 385123, C03B 37027
Patent
active
058512594
ABSTRACT:
In accordance with the invention, a Ge-doped optical fiber having reduced Brillouin scattering loss is made by modulating the tension applied to the fiber during draw. The draw tension is modulated between a low range 10-50 g and a high in the range 150-250 g. The result is SBS suppression with no significant change to end-to-end fiber loss or dispersion factors.
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A. Wada et al, "Suppression of the Stimulated Brillouin Scattering By Intentionally Induced Periodical Residual-Strain in Single-Mode Optical Fibers" Proceedings of the European Conference on Optical Communication (ECOC 1991), MoB1-1, pp. 25-28.
K Shiraki et al, "Suppression of Stimulated Brillouin Scattering in a Fibre by Changing the Core Radius" Electronic Letters, (1995) 31 (8), pp. 668-669.
Suda Hiroyuki, "Wire Drawing of Optical Fiber",Patent Abstracts of Japan, (1998), 12 (467.
Clayton Jane Bilecky
Eskildsen Lars Erik
Hansen Per Bang
Headley Clifford
Reed William Alfred
Lucent Technologies - Inc.
Palmer Phan T.H.
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