Method for producing an optical fiber composite insulator

Details Method for producing an optical fiber composite insulator Method for producing an optical fiber composite insulator

1989-11-22

1992-04-28

Ullah, Akm E.

Optical waveguides

Accessories

External retainer/clamp

385138, G02B 636

Patent

active

051094665

ABSTRACT:
An optical fiber composite insulator which includes an insulator body having a through-hole formed in its axis portion and at least one optical fiber extending through the through-hole and sealed in the through-hole by an inorganic vitreous sealing material at both end portions of the through-hole. The sealing material has substantially the same thermal expansion coefficient as that of the insulator body, has high resistances against breakage in the power frequency voltage test and in the lightning impulse voltage test, against crack formation in the cooling and heating test, heat proof test and heat cycle test, and against the light-transmission loss.

REFERENCES:
patent: 4316204 (1982-02-01), Inagaki et al.
patent: 4490006 (1984-12-01), Lidholt
patent: 4810836 (1989-03-01), Shinoda et al.
patent: 4921322 (1990-05-01), Seike et al.

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