Method for producing light conducting fibers

Details Method for producing light conducting fibers Method for producing light conducting fibers

1977-07-15

1979-02-27

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65DIG7, 65 60D, 425165, C03C 2502

Patent

active

041417100

ABSTRACT:
A method of producing a light conducting fiber comprises the steps of providing a base member of an optical material such as glass or a synthetic glass-like material, depositing at least one optical material forming layer such as a glass forming layer or a synthetic glass-like material forming layer from a liquid phase on a surface of the base member and subsequently transforming each of the layers into a film of optical material such as a glass film or a synthetic glass-like film. The base member may be a glass tube and the optical material forming layers may be deposited on an interior surface and after the layers have been transformed into a film, the tube is collapsed into a rod and then subsequently drawn into a cladded light conducting fiber. In one embodiment of the invention, the base member is a rod and the layers are deposited on a surface of the rod which is subsequently drawn into a cladded light conducting fiber. In yet another embodiment of the invention, the base member is provided by drawing a core of an optical fiber and the method includes depositing the optical material forming layers on the core so that as the layers are transformed into the film of optical material, a cladded light conducting fiber will be produced.

REFERENCES:
patent: 3865564 (1975-02-01), Jaeger et al.
D. A. Krohn et al., "Strengthening of Glass Fibers: I Cladding", Jour. of the Amer. Ceramic Soc., vol. 52, #12, Dec., 1969, pp. 661-664.
MacChesney et al., "Preparation of Low Loss Optical Fibers Using Simultaneous Vapor Phase Deposition & Fusion", 10th Int. Cong. on Glass, 1974, pp. 6-40 to 6-45.
U. G. Unger, Optical Communications Technique, 1976, Berlin, pp. 38-40.

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