Optical fiber preform with improved air/glass interface structure

An optical fiber preform comprising a plurality of longitudinal air holes is subjected to a thermal treatment (i.e., heating), coupled with the application of a compressive force on either end of the heated preform to compress the entire preform structure a predetermined amount. The thermal compress...

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Hauptverfasser:	ZYDZIK GEORGE J, BISE RYAN, FLEMING JAMES W
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL
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creator	ZYDZIK GEORGE J BISE RYAN FLEMING JAMES W
description	An optical fiber preform comprising a plurality of longitudinal air holes is subjected to a thermal treatment (i.e., heating), coupled with the application of a compressive force on either end of the heated preform to compress the entire preform structure a predetermined amount. The thermal compression treatment has been found to smooth any roughened glass surfaces and heal microcracks that may have formed during the preform fabrication process, essentially "knitting" the glass material back together and forming a preform of improved quality over the prior art microstructured preforms.
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subjects	CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL
title	Optical fiber preform with improved air/glass interface structure
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