Coupler for optical communication system

Details Coupler for optical communication system Coupler for optical communication system

1975-12-19

1977-08-30

Corbin, John K.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

250551, 350 96WG, G02B 516

Patent

active

040451208

ABSTRACT:
A coupler for coupling the end of an optical signal transmission line comprising at least one optical waveguide, to a solidstate converter device such as a light emitting diode or a photosensitive diode according to the case, the converter device presenting a refractive index N3 higher than the refractive index N1 of the optical waveguide. The coupler comprises a transparent matching medium having at least a refractive index N4 of value intermediate between the values N1 and N3 and forming a thin parallel faced plate whose maximum thickness is determined on the basis of the numerical aperture of the guide.

REFERENCES:
patent: 3756688 (1973-09-01), Hudson et al.
patent: 3832028 (1974-08-01), Kapron
patent: 3950075 (1976-04-01), Cook et al.

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