| 摘要 |
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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