【摘要】 文章利用A lGaN基双色线列探测器研制了一种紫外双光谱演示成像系统,其工作波段为250~280nm和330~365nm。系统采用探测器一维并扫的扫描方式,能够对0~360°视场进行周视成像。针对双色线列探测器,专门研制了对线视场进行优化设计的大相对孔径的紫外双色物镜以及基于FPGA的双通道紫外图像采集处理系统。系统以USB作为信号传输总线,配合上位机软件能够完成图像的实时显示、存储。在多种光照条件下的成像实验中成功地获取两个通道的紫外图像,在国内首次报道了A lGaN基紫外双色探测器的成像结果。更多还原

【Abstract】 The multi-UV-spectrums demo imaging system based on double spectrums linear UV detectors is developed,which is working at 250~280nm and 330~365nm.The system can obtain 1D panoramic images in the range from 0 to 360 degrees.The large relative aperture UV lens is designed which is optimized for two linear fields.Image acquisition & pre-processing circuits based on FPGA is also developed.At the last of the paper,the results of the imaging experiments are reported which are the first reports of the imaging results of the AlGaN UV sensors in China.更多还原