激光外差信号检测电路设计  

The Design of Inspecting Circuits of Laser Heterodyne Signal

作　　者：杨奕[1] 王娟 

机构地区：[1]陕西工业职业技术学院电气工程学院,陕西咸阳712000 [2]陕西永寿人民政协,陕西咸阳712000

出　　处：《安徽电气工程职业技术学院学报》2010年第3期99-101,共3页Journal of Anhui Electrical Engineering Professional Technique College

摘　　要：目前,光电检测技术凭借其良好的非接触性和高精度,逐渐成为实时精密测量领域的主要手段。主要针对激光外差玻璃厚度测量系统,分析激光外差技术检测原理,设计了光电检测器、放大器、滤波器、频率计各单元电路,并用Multisim对各单元电路进行仿真。Recently,photoelectrical technique is gradually becoming the main method for its property of non-contact and rare measurement errors in precision measurement area.Aiming at weak light signal of the measure system of optical heterodyne detection technique,the subject studies the principle of its inspection,designs the circuits of photoelectrical inspection including photoelectric detector,amplifier,filter and frequency counter,and simulates the circuits by Multisim.

关 键 词：光外差技术 光电检测器 放大器 滤波器 频率计 

分 类 号：TP212.14[自动化与计算机技术—检测技术与自动化装置]