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June 27, 1990

VARIAN DEVELOPS GAAS PHOTOCELL TO POWER SENSITIVE CIRCUITS BY LIGHT

By CBR Staff Writer

Varian Associates Inc has come up with a novel application of Gallium Arsenide technology – creation of a photovoltaic cell to create power supplies of from 1V to 12V for electronic equipment installed where radiation may be a problem – fly-by-wire systems in aircraft that can be affected by an electrical storm, missile guidance systems. According to the New York Times, a laser diode is used to create the light remotely, and it is then fed to the cell powering the components over optical cable, avoiding the need for any electrical power transmission.

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