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A thin film optoelectric transformer consisting of a p-n junction photocell (500??500 ??m2) and a multilayer spiral coil transformer (1.4??1.4 mm2), monolithically fabricated on a Si substrate, is proposed, and its fundamental characteristics are described. The optical power from a layer diode (LD) is converted into electric power by the photocell, and the photocurrent is then converted into an output...
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