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一、导言眼睛对于我们十分重要,它赋予人类认识世界的能力。可以认为,眼睛是一种辐射探测器,它基于光生理效应,其响应波段为0.39微米至0.76微米。作为探测辐射用的光电探测器也可以认为是一种“眼睛”,它是人类认识自然的重要工具,是性能比人眼性能优异千百倍的“科学眼睛”。我们知道,电磁辐射包括从γ射线(～0.01埃)直到无线电波长波(～10~4米)的整个辐射波段。通常人们把包括紫外、可见和红外辐射的波段(波长从0.01微米到1000微米)范围称为电磁波的光学波段,用于探测光学波段的辐射探测器称为光电探测
I. INTRODUCTION Eyes are very important to us and give humankind the ability to understand the world. It is believed that the eye is a radiation detector based on photophysiological effects with a response band of 0.39 microns to 0.76 microns. As a photodetector for detecting radiation, it can also be regarded as an “eye”, which is an important tool for mankind to understand nature and is a “scientific eye” whose performance is more than 100 times better than that of the human eye. We know that the electromagnetic radiation includes the entire radiation band from gamma rays (~ 0.01 angstroms) up to radio wavelength waves (~ 10 ~ 4 meters). Usually people will include the band of UV, visible and infrared radiation (wavelength from 0.01 microns to 1000 microns) range called electromagnetic wave optical band, for the detection of optical band radiation detector called photodetection