LabVIEW在零差相干光检测系统的应用  

Application of LabVIEW in homodyne coherent light detection system

作　　者：陈少华[1] 黄春晖[1] 

机构地区：[1]福州大学物理与信息工程学院,福建福州350002

出　　处：《量子电子学报》2009年第3期371-375,共5页Chinese Journal of Quantum Electronics

基　　金：福建省教育厅重点科技项目(JA08001)

摘　　要：基于相干光通信原理设计一套实验装置以搭建零差相干光检测平台,选择NI的高性能数据采集卡PCI6111E,利用LabVIEW虚拟仪器环境,在两台计算机上分别设计发送端和接收端控制软件,验证同步检测,最后进行数据采集和处理并显示测量波形。实验表明,采用光同步方案结合LabVIEW软件控制,解决了发送端的声光调制器、电光调制器、接收端的数据采集和基于压电陶瓷的相位调节器之间的同步过程,实现了相干光信息的发送调制和实时接收解调。Based on coherent optical communication theory, experimental setup was designed to build a homodyne coherent optical detection system,platform. PCI6111E from National Instruments corporation is used as a data acquisition module for its high performance. The sefider and receiver control software on different computers were designed under virtual instrument environment LabVIEW. Experimental results show that by use of light-synchronization and LabVIEW software control, acousto-optic modulator, electro- optical modulator of sender, data acquisition of receiver and phase regulator based on piezoelectric ceramic can work together in cooperation, and coherent optical information modulation on Sender and real-time demodulation on receiver are realized.

关 键 词：光通信 零差 相干光检测 同步控制 LABVIEW 数据采集 

分 类 号：TN929.1[电子电信—通信与信息系统]