Hermetic fiber-optic seals and method of making them

Details Hermetic fiber-optic seals and method of making them Hermetic fiber-optic seals and method of making them

G - Physics

02

B

G02B 6/036 (2006.01) C03B 37/00 (2006.01) C03C 25/00 (2006.01)

Patent

CA 2412862

The invention provides a hermetic waveguide seal, such as in an optical fiber ribbon feedthrough, or in an optical fiber ferrule or feedthrough, having an optical waveguide, a glass solder for encasing at least a portion of the optical waveguide, a first glass sleeve for encasing at least a first portion of the glass solder, a second glass sleeve for encasing at least a second portion of the glass solder, and an outer sleeve for encasing at least a portion of the first glass sleeve and the second glass sleeve. A gap filled with glass solder may be provided between the first glass sleeve and the second glass sleeve to form a compressive seal. The hermetic waveguide seal is made by an extrusion process.

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