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US 4,253,731 AGranted
Infrared fiber of AgCl clad AgBr and method of fabrication
AssigneeHoneywell Inc.
InventorsRogers H. Anderson, Enrique B. G., Di Chen
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Abstract
An infrared fiber of a silver chloride clad silver bromide core fabricated by an extrusion process in which both core and cladding are extruded.
Claims12
The method of producing a AgCl clad AgBr optic fiber comprising the steps of:
- providing a coaxial two-part preform billet having an axial core of crystalline AgBr and a sleeve of crystalline AgCl surrounding said core;
- orienting said two-part billet in an extruding press to axially align said core and sleeve with the direction of extrusion;
- bringing said preform billet to a desired temperature;
- and,
- applying force to said extruding press at a pressure to extrude therefrom a coaxial fine-grain optic fiber of AgCl clad AgBr.
2 more elements
An infrared transmissive optic fiber comprising:
- a silver bromide fiber core having a fine-grained crystalline structure clad with a fine-grained silver chloride cladding.
Dependencies are inferred from the claim text.