light-sensor photodetector

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• Photodetector — Photosensors or photodetectors are sensors of light or other electromagnetic energy. There are several varieties:[1] Active pixel sensors are image sensors consisting of an integrated circuit that contains an array of pixel sensors, each pixel… …   Wikipedia

• Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …   Wikipedia

• photodetector — noun Any device used to detect electromagnetic radiation Syn: light sensitive cell, light sensitive detector, light sensor photodevice, photodevice, photoelectric detector, photosensor …   Wiktionary

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• Photodiode — Three Si and one Ge (bottom) photodiodes Symbol for photodiode …   Wikipedia

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