- collimated parallel beam
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коллимированный параллельный пучок
Англо-русский словарь терминов металлургии и сварки. 2011.
collimated parallel beam
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Shearing interferometer — The shearing interferometer is an extremely simple means to observe interference and to use this phenomenon to test the collimation of light beams, especially from laser sources which have a coherence length which is usually a lot longer than the … Wikipedia
