Low-loss star couplers for optical fiber systems

Details Low-loss star couplers for optical fiber systems Low-loss star couplers for optical fiber systems

1979-11-26

1982-05-18

Lee, John D.

G02B 5172

Patent

active

043301703

ABSTRACT:
The low-loss reflection star coupler has a bundle of multimode optical fibers which is folded on itself and fused over a predetermined length to form a bundle loop. During the fusion process, the fibers are elongated into biconical tapers in the fused section. A hybrid transmission-reflection star includes one or more further fibers having only one biconical tapered section which is fused to the fused section of the fiber bundle.

REFERENCES:
patent: 3874781 (1975-04-01), Thiel
patent: 3933410 (1976-01-01), Milton
patent: 3936141 (1976-02-01), Milton
patent: 4087156 (1978-05-01), Kao et al.
patent: 4092059 (1978-05-01), Hawkes et al.
Rawson et al., "Bitaper Star Couplers with Up to 100 Fibre Channels" in Electronics Letters, vol. 15, No. 14, Jul. 1979.
B. Kawasaki et al., "Low-loss Access Coupler for Multimode Optical Fiber Distribution Networks" in Applied Optics, vol. 16, No. 7, Jul. 1977.
T. Ito et al., "Bidirectional Tapered Fiber Star Coupler" Proc., 4th European Conf. on Optical Communications, Geneva, Switz., Sep. 1978, pp. 318-322.

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