Temperature-compliant tube for fiber optic components

Details Temperature-compliant tube for fiber optic components Temperature-compliant tube for fiber optic components

1989-08-23

1990-06-26

Lee, John D.

G02B 642

Patent

active

049366467

ABSTRACT:
A temperature-compliant tube for fiber optic components is inserted into the exit port of an hermetically sealed package and extends into the interior of the package. An optical fiber extends through the temperature-compliant tube and is attached to a substrate interior of the package for coupling to an optical component mounted on the substrate. The optical fiber is hermetically sealed to the interior end of the temperature-compliant tube. The thermal coefficients of expansion and lengths for the temperature-compliant tube, the optical fiber between the substrate and the interior end of the tube, and the package body between the substrate and the exterior end of the exit port are tailored to provide zero differential expansion to enable the fiber optic components to be cycled over a wide temperature range without misalignment of the fiber relative to the optical component or mechanical failure of the fiber.

REFERENCES:
patent: 4119363 (1978-10-01), Camlibel et al.
patent: 4413881 (1983-11-01), Kovats
patent: 4615031 (1986-09-01), Eales et al.
patent: 4695125 (1987-09-01), Sinclair et al.
patent: 4802178 (1989-01-01), Ury
patent: 4803361 (1989-02-01), Aiki et al.

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