中国激光, 2001, 28 (8): 753, 网络出版: 2006-08-10
采用同步相位检测的微小振动实时测量
Real-time Micro-vibration Measurement Using Synchronous Phase Detection
摘要
提出了一种半导体激光正弦相位调制干涉仪.该干涉仪可以实时测量物体的微小振动.利用简单的电路构成实时相位检测器,对干涉信号中的相位信号进行同步检测,最终获得实际振动的振幅频率.文中给出了具体的理论分析和实验结果.
Abstract
A sinusoidal phase modulating laser diode interferometer is proposed. It is used to measure micro vibration of an object in real time. The real time phase detector is constructed with a simple circuits. The amplitude and frequency of the vibrations are measured by synchronously detecting the phases in interference signal. The theoretical analysis and experimental results are given.
宋松, 王向朝, 王学锋, 钱锋, 陈高庭. 采用同步相位检测的微小振动实时测量[J]. 中国激光, 2001, 28(8): 753. 宋松, 王向朝, 王学锋, 钱锋, 陈高庭. Real-time Micro-vibration Measurement Using Synchronous Phase Detection[J]. Chinese Journal of Lasers, 2001, 28(8): 753.
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