Optical waveguides – With optical coupler – Particular coupling structure
Patent
1997-09-17
1999-10-12
Ngo, Hung N.
Optical waveguides
With optical coupler
Particular coupling structure
385 96, G02B 626
Patent
active
059664843
ABSTRACT:
A light branching and coupling device excellent both in transmitting performance and in distributing performance in which the intermediate portion of an optical fiber 10a (10b) is thermally drawn to form light transmission fiber portions 11a and 15a (11b and 15b) and a light branching and coupling fiber portion 13a (13b) having a diameter smaller than that of the light transmission fiber portions and, at the same time, form tapering fiber portions 12a and 14a (12b and 14b) between the light transmission fiber portions and the light branching and coupling fiber portion so that the tapering fiber portions are tapered off gradually toward the light branching and coupling fiber portion 13a (13b) side. The light branching and coupling fiber portions 13a and 13b thus formed are fused with each other.
REFERENCES:
patent: 4265689 (1981-05-01), Jeffrey
patent: 4556279 (1985-12-01), Shaw et al.
patent: 4560427 (1985-12-01), Flood
patent: 4686136 (1987-08-01), Homonoff et al.
patent: 4755037 (1988-07-01), Bjornlie et al.
patent: 4867519 (1989-09-01), Le Roy et al.
patent: 4869570 (1989-09-01), Yokohama et al.
patent: 4923268 (1990-05-01), Xu
patent: 4997247 (1991-03-01), Stowe
patent: 5146520 (1992-09-01), Yuuki et al.
patent: 5179603 (1993-01-01), Hall et al.
patent: 5255335 (1993-10-01), Saaki et al.
patent: 5408555 (1995-04-01), Fielding et al.
patent: 5412745 (1995-05-01), Weidman et al.
patent: 5420949 (1995-05-01), Arima et al.
patent: 5448673 (1995-09-01), Murphy et al.
patent: 5479546 (1995-12-01), Dmais et al.
patent: 5496390 (1996-03-01), Arima et al.
patent: 5553179 (1996-09-01), Cryan et al.
K. Imoto, et al., "Plastic OPtical Fiber Star Coupler", Applied Optics, vol. 25, No. 19, (1986).
Monomode-Schmelzkoppler fur die Lichtwellenleiter-Kommunikationstechnik, by Dieter Eberlein and Gerald Nurnberger, Nachrichtentech., Elektron, Berlin 42 (1992) 5; pp. 188-191.
Ngo Hung N.
Sumitomo Wiring Systems Ltd.
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