Preform for producing an optical fiber and method therefor
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United States of America Patent
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app pub date -
Jun 25, 2003
filing date -
Feb 6, 2001
priority date (Note) -
Abandoned
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Abstract
The present invention provides a simple method for fabricating fiber-optic glass preforms having complex refractive index configurations and/or dopant distributions in a radial direction with a high degree of accuracy and precision. The method teaches bundling together a plurality of glass rods of specific physical, chemical, or optical properties and wherein the rod bundle is fused in a manner that maintains the cross-sectional composition and refractive-index profiles established by the position of the rods.
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