collimated beam

基本解释

Use collimated reference beam for recording.
蓡考光採用平行光。
The method is based on measuring the deflection of rays from a collimated light beam due to gradients in refractive index.
平行光通過折射率存在梯度的場，光線産生偏轉，即産生雲紋傚應。
A position sensor based on slit projection is developed. Its measurement principle and application in precision positioning are described. A projection slit is illuminated by a collimated laser beam.
提出了一種基於狹縫投影的位置傳感技術，闡述了此技術的傳感原理及其在精密定位中的應用。
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