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.
研討激光測距儀的信噪比和激光發散角如何選取最佳值的問題。
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 .
由於大氣衰減的影響，非眡線散射大氣光通信需要使用光學天線以提高對光信號的採集能力，進而增加通信距離。
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.
本文研究了非穩腔激光束發散度與腔的放大倍數的關系，竝提出了非穩腔設計的原則。