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(General Physics) physics a device used to detect or measure light or other electromagnetic energy


(ˈfoʊ toʊ dɪˌtɛk tər)

any device that converts light into an electric signal photoelectrically.
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Marktech Optoelectronics has teamed up with Digi-Key Electronics, a global electronic components distributor, to offer the ability to obtain custom-made photodetectors specifically designed and optimized to meet customer specifications.
The availability of such photodetectors for use at room temperature would offer new and important applications and will certainly have potential to replace current inorganic sensors, which operate at very low temperatures," Gong said, adding that the novel technology holds promising advancements that span from photodetectors for medical devices to sensors used in automobiles.
Photodetectors made of different crystals absorb different wavelengths of light and convert them into an electrical signal.
India, May 7 -- Newport has introduced a new attenuator design implemented for the popular low-power Photodetectors, Series 818.
London, Oct 18 (ANI): Bendy, stretchy and biocompatible arrays of light-emitting diodes (LEDs) and photodetectors would soon be used to light inside the body to activate drugs or monitor medical conditions.
Conventional avalanche photodetectors are not able to detect fast optical signals because the avalanche builds slowly.
The book's 15 chapters cover topics such as high pressure bulk crystal growth of (Ga,Al)N, fabrication of GaN light emitting diodes by laser-off technique, high-resolution electron microscopy observations of GaN-based laser diodes, and growth and development of III-Nitride photodetectors.
So far, evidence from prototype solar cells and photodetectors suggests that the newfound effect can indeed improve cells' power outputs.
All refractometers prior to the Optilab rEX use two photodetectors, whereas the Optilab rEX uses 512 photodetectors in one photodiode array.
The main fields of research include optoelectronic and microelectronic components for optical fiber transmission (InP HBT circuits, laser sources, modulators and photodetectors), GaN-based high frequency, high power transistors and circuits, infrared imaging photodetectors and high power laser diodes.