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A technique for fabricating a lightguide soot-boule. Gaseous reactants are directed through an inner tube of a torch having a plurality of coaxially aligned tubes. A glassy soot is formed at the output of the torch by a flame hydrolysis reaction and at least a portion of the soot is deposited on a f

A technique for fabricating a lightguide soot-boule. Gaseous reactants are directed through an inner tube of a torch having a plurality of coaxially aligned tubes. A glassy soot is formed at the output of the torch by a flame hydrolysis reaction and at least a portion of the soot is deposited on a forming soot-boule. The inner tube may be axially moved during the soot deposition process to alter or maintain the refractive index of the boule.

대표청구항 ▼

A method of fabricating a lightguide soot boule, comprising the steps of: directing gaseous reactants through an inner tube of a torch having a plurality of spaced, coaxially aligned tubes; forming soot at the output of the torch by a flame hydrolysis reaction; depositing at least a portion of said

A method of fabricating a lightguide soot boule, comprising the steps of: directing gaseous reactants through an inner tube of a torch having a plurality of spaced, coaxially aligned tubes; forming soot at the output of the torch by a flame hydrolysis reaction; depositing at least a portion of said soot on a forming soot boule; and controllably altering or maintaining the refractive index of the soot boule by axially moving the inner tube during soot deposition.