Optical head capable of being fitted into a hybrid circuit

Details Optical head capable of being fitted into a hybrid circuit Optical head capable of being fitted into a hybrid circuit

1990-11-13

1992-06-16

Ullah, Akm

Optical waveguides

Integrated optical circuit

G02B 600, G02B 636

Patent

active

051230674

ABSTRACT:
An optic head designed to be fitted into a hybrid circuit. This optic head includes at least one optoelectronic semiconductor assembly and one optic fiber in alignment. In order to attach it to a hybrid circuit, the elements are all mounted on a metal wafer which serves as a reference plane. The fiber is brazed or bonded to the wafer by means of a metal tube which supports a lens. Optic head has a second optoelectronic assembly also fixed to the metal wafer, a dichroic mirror or a semi-reflecting plate sends the light beam back to the second assembly. A filter may be provided to improve the separation of the light beams. The present invention finds application to multiplexers, demultiplexers, duplexers and optic couplers.

REFERENCES:
patent: 4695120 (1987-09-01), Holder
patent: 4803361 (1989-02-01), Aiki et al.
Patent Abstracts of Japan, vol. 11, No. 395, Dec. 24, 1987, & JP-A-62-159105, Jul. 15, 1987, K. Imoto, "Optical Module for Bi-Directional Transmission".

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