Device for coupling a light source and an optical waveguide

Details Device for coupling a light source and an optical waveguide Device for coupling a light source and an optical waveguide

1985-10-02

1987-08-18

LaRoche, Eugene R.

350 9615, G02B 632

Patent

active

046872850

ABSTRACT:
A device for coupling a light source and an optical waveguide. The light source has an emissive surface whose dimensions are of the same order of magnitude as or smaller than the cross-sectional dimension of the waveguide. The coupling device comprises a ball lens, which is contact with the light source, and a convergent optical transfer system. The optical transfer system images the input face of the waveguide to the optical center of the ball lens with a magnification of approximately -1. The radiation issuing from any point of the emissive surface of the light source enters the waveguide as parallel rays.

REFERENCES:
Cabanie, J. P., et al., "Les Methodes de Couplage d'Une Source et d'Une Fibre Optique", Acta Electronica, vol. 24, No. 1, pp. 105-116 (1981/1982).

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