高分辨率光谱仪线阵CCD采集系统设计  

Design of linear CCD acquisition system based on high-resolution spectrometer

作　　者：康臻[1] 刘建平[1] 孙帅 蒲培培 牛静[1] 马世帮[1] KANG Zhen;LIU Jianping;SUN Shuai;PU Peipei;NIU Jing;MA Shibang(The First Scale Optical Metrology Station of the Science,Technology and Industry for National Defense,Xi'an Institute of Applied Optics,Xi'an 710065,China;Equipment Research and Development Center,Xi'an North Electro-Optic Science&Technology Defense Co.,Ltd.,Xi'an 710043,China)

机构地区：[1]西安应用光学研究所国防科技工业光学一级计量站,陕西西安710065 [2]西安北方光电科技防务有限公司装备研发中心,陕西西安710043

出　　处：《应用光学》2022年第5期864-869,共6页Journal of Applied Optics

基　　金：国家自然科学基金(JSJL2017208A002);教育部新世纪优秀人才支持计划;十三五航天预研基金。

摘　　要：为了满足高分辨率光谱仪高灵敏度、高分辨率、低噪声的技术要求,设计了用于微光成像系统的背照式CCD驱动电路及主控电路。线阵CCD采集系统采用Altera公司的MAX X系列FPGA作为核心控制器件,为线阵CCD提供多路驱动信号;线阵CCD探测器输出模拟信号经过信号预处理及AD采样,变换为数字信号后通过USB接口模块发送给光谱仪。通过将线阵CCD采集系统安装到高分辨率光谱仪,对汞灯谱线进行特征峰测试,光谱分辨率可以达到0.062 nm,满足高分辨率光谱仪的探测要求。To meet the technical requirements of high sensitivity, high resolution and low noise of highresolution spectrometer, the back-illuminated CCD driving circuit and main control circuit for low-level-light imaging system were designed. The MAX X series FPGA of Altera was adopted by linear CCD acquisition system as the core control device to provide multiple driving signals for the linear CCD. The output analog signal of linear CCD was transformed into digital signal after signal preprocessing and AD sampling, and then sent to the spectrometer through USB interface module. By installing the linear CCD acquisition system into the high-resolution spectrometer to test the characteristic peaks of the mercury lamp spectrum, the spectral resolution can reach 0.062 nm, which meets the detection requirements of high-resolution spectrometer.

关 键 词：光谱仪 线阵电荷耦合器件 驱动电路 现场可编程门阵列 

分 类 号：TN206[电子电信—物理电子学]