laser beam divergence

基本解释

The problem how to select optimum of signal-to-noise ratio and laser beam divergence for laser range-finder is studied.
研讨激光测距仪的信噪比和激光发散角如何选取最佳值的问题。
The primary function of the optical transmit antenna is to collimate far-field divergence of the laser beam and reduce the size of the laser beam in .
由于大气衰减的影响，非视线散射大气光通信需要使用光学天线以提高对光信号的采集能力，进而增加通信距离。
In this article we discuss the relation between the laser beam divergence and the amplification factor in unstable cavities and the principles for the design of unstable resonators are given.
本文研究了非稳腔激光束发散度与腔的放大倍数的关系，并提出了非稳腔设计的原则。