Fiber optic device sealed by compressed metal seals and method f

Details Fiber optic device sealed by compressed metal seals and method f Fiber optic device sealed by compressed metal seals and method f

1996-07-12

1997-10-21

Ullah, Akm E.

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

G02B 600, G02B 636

Patent

active

056804954

ABSTRACT:
An arrangement (apparatus and method) for hermetically sealing a fiber optic device. The fiber optic device includes a device body such as an optical coupler or a multiplexer coupled to exposed regions of optical fibers. The fiber optic device is hermetically sealed by forming metal seals such as pure aluminum blocks on exposed regions of the optical fibers. The blocks are formed by injecting molten aluminum into molds, during which the molten aluminum bonds to the optical fiber chemically and forms a compression seal on the optical fibers during cooling. The metal seals are then used to define a boundary for substrate bodies used to enclose the fiber optic device, where a hermetic seal is formed between the metal seals and the substrates by compressing the substrates onto the metal seals. Hence, a hermetic seal may be easily implemented on an existing fiber optic device without the necessity of adhesives.

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