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photodetector
(redirected from Photo detector)

    Also found in: Wikipedia 0.02 sec.
photodetector
A device that senses light. It uses the principle of photoconductivity, which is exhibited in certain materials that change their electrical conductivity when exposed to light. See photoelectric, photocell and photodiode.
photodetector [¦fōd·ō·di′tek·tər]
(electronics)
A detector that responds to radiant energy; examples include photoconductive cells, photodiodes, photoresistors, photoswitches, phototransistors, phototubes, and photovoltaic cells. Also known as light-sensitive cell; light-sensitive detector; light sensor photodevice; photodevice; photoelectric detector; photosensor.
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A large part of why we are doing this is not to invent a photo detector, but to understand the processes involved in controlling carbon nanotube devices," said Leonard.
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Seoul, Korea, announced its Single Carrier Modulation Photo Detector (SMPD), which uses nanotechnology to enable cameras to take high-resolution photos or video in the dark--without a flash.
Nanotechnology-based image sensor takes digital pictures in the dark, ... by Digital Imaging Digest
 
 
 
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