论文部分内容阅读
利用红外光电探测器对红外辐射进行探测时,通常要考虑到各方面的条件。首先,必须对目标和背景的特点有所了解,根据目标辐射的具体情况,选择适当的探测器;同时,还需对红外系统的结构,精心地进行设计。此外,对于光学系统的接收、辐射信号的调制、输出信号的处理等,都需要进行统一的考虑。以下作为本讲座的结束语,我们仅就与探测器有关的几个辐射探测问题——探测器的背景限性能、探测器的工作条件和探测器参数的测定,向读者作一些介绍,以补充对红外光电探测器的说明。
The use of infrared photodetectors to detect infrared radiation, usually taking into account all aspects of the conditions. First of all, we must understand the characteristics of the target and the background, according to the specific circumstances of the target radiation, select the appropriate detector; the same time, the structure of the infrared system needs to be carefully designed. In addition, the reception of the optical system, the modulation of the radiation signal, the output signal processing, etc., need to be unified consideration. Following the concluding remarks of this lecture, we will introduce the reader to only a few radiation detection problems related to the detector - the background limit of the detector, the working conditions of the detector and the determination of the detector parameters, Description of the infrared photodetector.