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Hamamatsu Corp. - Earth Innovations LB 2/24

Quantum-Dot Photodetector Takes the Heat

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A quantum-dot IR photodetector with detection ability from 6.7 to 11.5 µm that can operate at temperatures of up to 260 K was demonstrated by researchers at the University of Florida in Gainesville and at National Central University in Chung-Li, Taiwan. The InGaAs/GaAs detector has peak detection wavelength shifts from 7.6 to 8.4 µm when the temperature rises from 40 to 260 K. The detector can handle such high temperatures because of its very low dark current and long carrier lifetime in the quantum dots. Other groups have demonstrated high-temperature quantum-dot detectors, but this one...Read full article

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    Published: June 2003
    InGaAs/GaAs detectorNational Central Universityquantum-dot IR photodetectorResearch & TechnologySensors & DetectorsTech PulseUniversity of Florida

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