英语词汇“beam divergence”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	beam divergence
释义	beam divergence beam divergence [′bēm də‚vər·jəns] (optics) The angle between points on opposite sides of a light beam at which the irradiance drops to 1/ e (0.37) times its maximum value. (physics) The angular spread in the directions of the components of a beam of particles or radiation. beam divergence (Brit.) Same as beam spread.
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