Paraboloidal coupler for light wave guides

Details Paraboloidal coupler for light wave guides Paraboloidal coupler for light wave guides

1981-04-30

1984-04-10

Lee, John D.

Optics: measuring and testing

Range or remote distance finding

With photodetection

350 9616, 356345, G02B 726

Patent

active

044417845

ABSTRACT:
A self-focussing coupler for optical fibers includes a transparent body having the configuration of a paraboloid of revolution. One or more optical fibers are connected to the body at or near the point of focus. A flat face is formed at a normal to the axis of symmetry. A coupler assembly is formed by bringing the faces of two couplers together. Different optical components (beam splitting plates, bandpass filters, etc.) may be placed in an interface gap and bypass fibers may be added to alter the functions of the coupler assembly.

REFERENCES:
patent: 3886544 (1975-05-01), Narodny
patent: 4021099 (1977-05-01), Kawasaki et al.
patent: 4185885 (1980-01-01), Chown et al.
patent: 4211469 (1980-07-01), Holzman
patent: 4246475 (1981-01-01), Altman
patent: 4274705 (1981-06-01), Miller
patent: 4342517 (1982-08-01), Johnson et al.
Bickel et al., "Bidirectional Coupler for Full Duplex Transmission . . . ", Proc. of S.P.I.E., vol. 139, Guided Wave Opt. Systs. & Dev., Mar. 1978, pp. 63-69.
Bealle, "Parabolic Coupler for Fibre Optics," IBM Tech. Discl. Bull., vol. 23, No. 3, Aug. 1980, p. 978.

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