Large fluoride glass preform fabrication

USH1259H · kind H · statutory invention registration

Inventors

• Ishwar D. Aggarwal · Waxhaw, US
• Daniel Brower · Bowie, US
• Grant Lu · Shrewsbury, GB

Key dates

• Grant date: Dec 7, 1993

Classification

• Technology area (CPC —): General

Abstract

A process for producing long length fluoride glass preforms, by producing a fluoride glass rod of core glass, overcoating the core glass rod with fluoride cladding glass to form a core/clad unit, and overcoating the core/clad unit with an oxide glass overclad.