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本发明提供一种用于探测两个或多个不同波段红外辐射的多光谱光电探测器。该光电探测器包括一个能在两个或多个相关红外辐射波段共振的衍射光学共振腔。通过以两个或多个分立偏压探测红外辐射并产生该光电探测器在各偏压下的光谱响应曲线,其
The present invention provides a multi-spectral photodetector for detecting infrared radiation of two or more different wavelengths. The photodetector includes a diffractive optical resonator capable of resonating in two or more related infrared radiation bands. By detecting the infrared radiation with two or more discrete biases and generating the spectral response curve of the photodetector at each bias voltage,