两种二维激光扫描器摆角测量方法的比较和实现  

Comparison and Design of Two Different Deflection Angle Measurement System for a2 DOF Laser Scanner

作　　者：程继伟[1] 巩马理[1] 刘兴占[1] 贾维溥[1] 闫平[1] 黄磊[1] 

机构地区：[1]清华大学精密仪器系,北京100084

出　　处：《激光与红外》2002年第4期237-239,共3页Laser & Infrared

摘　　要：简单介绍了一种二维定心偏转激光扫描器件的工作原理和结构设计 ,重点比较了两种不同摆角测量方式的优劣 ,包括它的计算模型、光学系统构造以及采用光电位置传感器 (PSD)The principle and structure design of a 2 DOF tip/tilt laser scanner is introduced and two different methods to measure the 2 DOF deflection angle are compared.The aspects of the measurement system using PSD are discussed,including its basic principle,optical system and signal processing circuit.The system now can reach a wide scanning range of 30° with resolution of 0.01°.

关 键 词：二维激光扫描器 摆角测量 PSD 光电位置传感器 计算模型 光学系统 

分 类 号：TP334.22[自动化与计算机技术—计算机系统结构]