Corning Incorporated

The United States of America As Represented by the Department of Energy

Schott Glass Technologies, Inc.

Melanie L Elder

Peter C Jones

Marcella R Backer

Ralston Cavender

Stephen Anthony Payne

Joseph S Hayden

Gregory Scott Glaesemann

Michael G Blankenship

James A Murphy

Yuiko T Hayden

John H Campbell

Bernard De Jong

Mary Kay Aston

In a high energy laser system utilizing phosphate laser glass components to mplify the laser beam, the laser system requires a generated laser beam having an emission bandwidth of less than 26 nm and the laser glass components consist essentially of (on an oxide composition basis):

Phosphate glass useful in high energy lasers

An optical waveguide fiber with a fatigue resistant TiO.sub.2 -SiO.sub.2 outer cladding including a cylindrical outermost layer with TiO.sub.2 concentration greater than 10.5 wt. % and thickness less than 3 .mu.m. The fiber may include a two layer outer cladding with higher TiO.sub.2 concentration in the outer layer. The outer cladding may include a plurality of inhomogeneities dispersed in a TiO.sub.2 -SiO.sub.2 matrix.

Optical waveguide fiber with titania-silica outer cladding

A method of making an optical waveguide fiber with a fatigue resistant TiO.sub.2 -SiO.sub.2 outer cladding, and a substantially glass blank for drawing into optical fiber, wherein a glass soot TiO.sub.2 -SiO.sub.2 outermost layer, with an initial TiO.sub.2 concentration greater than 10.5 wt. %, is deposited on a preform, and the preform is exposed to an atmosphere of chlorine at a high temperature, and the resulting TiO.sub.2 concentration in the outermost layer of the TiO.sub.2 -SiO.sub.2 outer cladding of the substantially glass blank is less than the initial TiO.sub.2 concentration. In the glass blank form, the outermost layer includes a substantial volume percentage of crystalline phases and in the fiber form, the outermost layer includes inhomogeneities.

Method of manufacturing optical waveguide fiber with titania-silica

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Dublin, CA, United States of America

Melanie L Elder