Optical waveguides – With optical coupler – Switch
Patent
1997-05-01
1999-08-17
Ngo, Hung N.
Optical waveguides
With optical coupler
Switch
385 65, G02B 638
Patent
active
059405538
ABSTRACT:
An optical switch of the present invention comprises an optical fiber arranging member in which tip ends of a plurality of first optical fibers are juxtaposed, a movable arm facing the optical fiber arranging member and fixing a tip end of a second optical fiber, and a drive mechanism for driving at least one of the optical fiber arranging member and the movable arm, for switching of optical connection, in an arrangement direction of the first optical fibers and in a direction perpendicular to the arrangement direction of the first optical fibers to optically couple the second optical fiber with the first optical fiber, wherein the optical fiber arranging member and the movable arm are encased in a sealing case and wherein an antireflection agent is filled in the sealing case.
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patent: 5035482 (1991-07-01), ten Berge et al.
patent: 5239599 (1993-08-01), Harman
patent: 5386485 (1995-01-01), Saito et al.
patent: 5446810 (1995-08-01), Watanabe et al.
patent: 5504825 (1996-04-01), Saito et al.
Microfilm of the specification and drawings annexed to the written application of Japanese Utility Model Appln. No. 115694/1978 (Laid-Open No. 32863/1980)(Nippon Telegraph & Telephone Corp.) Mar. 3, 1980.
Microfilm of the specification and drawings annexed to teh writtent application of Japanese Utility Model Application No. 164706/1979 (Laid-Open No. 80502/1981)(Sumitomo Electric Industries, Ltd) Jun. 30, 1981, lines 1 to 3, p. 6.
Maki Hisao
Murakami Takashi
Ozawa Kazumasa
Saito Kazuhito
Tomita Nobuo
Ngo Hung N.
Nippon Telegraph and Telephone Corporation
Sumitomo Electric Industries Ltd.
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