AOTF偏振光谱成像数据采集系统设计  

Design of data acquisition system for AOTF polarization spectral imaging instrument

作　　者：姜庆辉[1,2] 邱跃洪[1] 文延[1] 汪欢[1,2] 许维星[1,2] 

机构地区：[1]中国科学院西安光学精密机械研究所空间光学研究室,陕西西安710119 [2]中国科学院研究生院。北京100049

出　　处：《红外与激光工程》2012年第1期218-222,共5页Infrared and Laser Engineering

基　　金：国家863计划(2006AA12Z133);西部之光联合学者项目(2007LH02)

摘　　要：偏振超光谱成像技术是一个新兴的交叉技术领域,探索该技术在航天、民用等领域的应用已经成为国内外的重点研究课题,特别是基于声光可调谐滤波器(AOTF)的光谱成像仪,与传统仪器相比,在工作机制和仪器设计上都有着众多的优点。通过研究AOTF的工作原理,分析实验中AOTF偏振光谱成像仪的工作过程,制定了相应的数据采集系统设计方案,并且详细论述了系统基于LabVIEW平台的设计流程,同时给出了各模块的LabVIEW程序设计框图。经过实测实验对系统的功能进行了验证,结果表明:系统能够高效可靠地完成对图像数据的采集与相应仪器的控制,具有一定的研究价值和实用价值。The hyper-spectral imaging with polarization is an emerging cross-technology.It has been the key topic to explore the technology in the aerospace,civil and other areas at home and abroad.In particular,imaging spectrometer based on acousto-optic tunable filter（AOTF） has many advantages compared with the traditional imaging spectrometers both in running mechanisms and in the design of instrument.By studying the principle of AOTF,the working process of AOTF polarization spectral imaging instrument which was used in the experiment was analyzed,the data acquisition system matching with the instrument was made and the system design process based on LabVIEW platform was discussed in detail.At the same time,the LabVIEW program design diagram of each module was given.The function of system was verified through actual scene test.The final result shows that the system can complete the image data collection efficiently and reliably,as well as controlling the hardware of the instrument correctly.In a way,it is of research and practical value for the system.

关 键 词：光谱成像 数据采集 LABVIEW 偏振 声光可调谐滤波器 

分 类 号：TP732[自动化与计算机技术—检测技术与自动化装置]