激光传感器是由怎么组成的

Release time：2023-01-06
author：Ameya360
source：网络
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　　什么是激光传感器？激光是通过辐射的受激发射来实现光的放大。激光元件发出波长在150nm和1100nm之间的高强度光束。这种光波可用于精确的距离测量。激光传感是一种光学测量方法。它在测量和对象检测中有广泛的应用，遍及各种行业。本文收集整理了一些资料，期望能对各位读者有比较大的参阅价值。

激光传感器是由怎么组成的

　　一、激光传感器的组成部分

　　激光传感器是由激光发生器、激光接收器及其相应的电路所组成的。激光传感器工作时，先由激光发射二极管对准目标发射激光脉冲。经目标反射后激光向各方向散射。部分散射光返回到传感器接收器，被光学系统接收后成像到雪崩光电二极管上。

      雪崩光电二极管是一种内部具有放大功能的光学传感器，因此它能检测极其微弱的光信号，并将其转化为相应的电信号。常见的是激光测距传感器，它通过记录并处理从光脉冲发出到返回被接收所经历的时间，即可测定目标距离。激光传感器必须极其精确地测定传输时间，因为光速太快。


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