Optical fiber composite insulators and method for producing...

Details Optical fiber composite insulators and method for producing... Optical fiber composite insulators and method for producing...

G - Physics

02

B

26/197, 88/97.7

G02B 6/44 (2006.01) H01B 17/12 (2006.01)

Patent

CA 1320857

OPTICAL FIBER COMPOSITE INSULATOR AND METHOD FOR PRODUCING THE SAME Abstract of the Disclosure An optical fiber composite insulator comprising 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, which 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.

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