1985-12-10
1988-02-02
LaRoche, Eugene R.
350 9618, 350 9616, G02B 626, G02B 642
Patent
active
047225823
ABSTRACT:
An optical coupler adapted to feed a plurality of optical fibers with light radiation coming from a single fiber or, conversely, to transmit to a single fiber the radiation coming from a plurality of fibers. A round paraboloid receives the optical beams condensed by hemispherical lenses placed in front of the fiber end faces and concentrates them on the end face of the output fiber through a hemispherical lens.
REFERENCES:
patent: 3883223 (1974-04-01), Hudson
patent: 4354734 (1982-09-01), Nakahashi
patent: 4365864 (1982-12-01), Cowley et al.
patent: 4461278 (1982-03-01), Mori
Modone Eros
Morasca Salvatore
Centro Studi e Laboratori Telecomunicazioni S.p.A.
Dubno Herbert
LaRoche Eugene R.
Ross Karl F.
Shingleton Michael B.
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