Hermetic optical fiber feedthrough arrangement

Details Hermetic optical fiber feedthrough arrangement Hermetic optical fiber feedthrough arrangement

1991-09-23

1992-10-13

Ullah, Akm E.

Optical waveguides

Accessories

Bushing structure

G02B 600

Patent

active

051557959

ABSTRACT:
An hermetic optical fiber feedthrough arrangement has a separable two-piece metal ferrule (10) with opposite endwall openings (18, 26) of a size slightly larger than the diameter of an optical fiber (12) which extends therethrough. Preliminarily, that part of the fiber within the ferrule cavity (16) and openings (18, 16) has a metal coating (30). The fiber is hermetically sealed within the ferrule pieces (14, 24) by a quantity of a sealant (32). The ferrule may also include an outer radial flange (22) which is hermetically secured within an opening (48) in wall, bulkhead or plate (44) by a further sealant (54).

REFERENCES:
patent: 4402993 (1983-09-01), Aisenberg et al.
patent: 4473599 (1984-09-01), Elion
patent: 4523235 (1985-06-01), Rajchman
patent: 4530750 (1985-07-01), Aisenberg et al.
patent: 4558255 (1985-12-01), Genovese et al.
patent: 4824455 (1989-04-01), Rand et al.
patent: 4904052 (1990-02-01), Rand et al.

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