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本文述评了SPRITE红外探测器研制过程中的几个问题。介绍了调制传递函数和空间分辨率的改善情况,指出:对于SPRITE探测器,要求载流子寿命较长,且扩散长度又短。最后,介绍了目前国外发展的4种SPRITE探测器列阵的构形及其主要制备工艺。
This article reviews several issues in the development of SPRITE infrared detectors. The improvement of modulation transfer function and spatial resolution are introduced. It is pointed out that for SPRITE detector, the carrier lifetime is longer and the diffusion length is shorter. Finally, the configuration of four kinds of SPRITE detector arrays and their main preparation processes are introduced.