Radio transceiver for data transmission using nonlinear...

Details Radio transceiver for data transmission using nonlinear... Radio transceiver for data transmission using nonlinear...

H - Electricity

04

B

H04B 10/00 (2006.01) H04B 10/12 (2006.01)

Patent

CA 2279387

A converter (10) to convert radio frequency signals carrying digital information into modulated light includes a radio frequency receiver (12). The radio frequency receiver receives radio frequency signals and converts the signals into corresponding electrical signals. The electrical signals are applied to an acousto-optic effect device (30) including a piezoelectric transducer (38) and a nonlinear optic crystal (40). A source of coherent light (34) directs light through the optic crystal while the piezoelectric transducer is driven by the electrical signals thereby to modulate the light as the light passes through the optic crystal.

L'invention concerne un convertisseur (10) permettant de convertir des signaux radioélectriques porteurs d'informations numériques en lumière modulée. Ce convertisseur comprend un récepteur (12) radio qui reçoit des signaux radioélectriques et convertit les signaux en signaux électriques correspondants. Les signaux électriques sont envoyés vers un dispositif (30) à effet acousto-optique qui comprend un transducteur piézo-électrique (38) et un cristal (40) optique non linéaire. Une source de lumière cohérente (34) envoie la lumière à travers le cristal optique alors que le transducteur piézo-électrique est entraîné par les signaux électriques, ce qui entraîne la modulation de la lumière à mesure que celle-ci traverse le cristal optique.

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