Method of forming laminated single polarization fiber

Details Method of forming laminated single polarization fiber Method of forming laminated single polarization fiber

1983-10-03

1985-01-22

Schor, Kenneth M.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 311, 350 9633, C03B 37075, G02B 5172

Patent

active

044949693

ABSTRACT:
A process for manufacturing a preform from which is drawn an optical fiber, the core of which comprises layers of different glass composition. Layers of glass soot are deposited on the flat, longitudinally extending sides of a thin, elongated mandrel. Adjacent soot coatings have different refractive indices. A preliminary coating of cladding glass soot is deposited on the laminated soot structure. The resultant composite body is consolidated and stretched to form a rod or core structure upon which the final coating of cladding soot is deposited. The resultant composite body is consolidated and drawn into an optical fiber. In a modification of the this method, the mandrel is removed after the planar soot coatings and preliminary coating of cladding soot are deposited thereon. The resultant soot body is consolidated and processed as described previously.

REFERENCES:
patent: 4179189 (1979-12-01), Kaminow et al.
patent: 4360371 (1982-11-01), Blankenship et al.
patent: 4415230 (1983-11-01), Keck

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