Optical unit for composite overhead ground wire

Details Optical unit for composite overhead ground wire Optical unit for composite overhead ground wire

1986-10-14

1988-07-12

Lee, John

G02B 644

Patent

active

047565969

ABSTRACT:
An optical unit, particularly for use with a composite overhead conductor. The cylindrical, aluminum core of the optical unit has spirally shaped grooves on its surface into which optical fibers are placed. A tape is spirally wound to hold the optical fibers in the grooves. The winding pitch is such that the tape edges overlap. An aluminum pipe encases the spacer, optical fibers and tape. The tape consists of a thermally insulating middle layer and two sheets of aluminum foil sandwiching the middle layer, the aluminum foil contacting the pipe and the core so as to conduct electricity therebetween.

REFERENCES:
patent: 4388800 (1983-06-01), Trezequet et al.
patent: 4389088 (1983-01-01), Trezequet
patent: 4541686 (1985-09-01), Barfuss et al.
Nakahara et al, "Optical Fibers and Cable Engineering"; Optical Society of America; Extended Summary Paper #WB2; Jan. 1975; Opt. Fiber Transmission Conf.; 4 pages.

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