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美国科学家研制出一种可在中波和长波红外谱区内同时探测三个波段的量子阱红外光电探测器。这种器件具有三层结构,每层结构中都有InGaAs量子阱。在5.9μm-7.0μm、 9.1μm-11.2μm和12.2μ-16.9μm
American scientists have developed a quantum well infrared photodetector that can simultaneously detect three bands in the mid-wave and long-wave infrared spectral regions. The device has a three-layer structure, each layer structure has InGaAs quantum wells. At 5.9 μm-7.0 μm, 9.1 μm-11.2 μm and 12.2 μ-16.9 μm