collimated light
- 聚光光线：聚光光线是指具有平行光线的光束或其他电磁辐射，因此在传播过程中几乎不会扩散。完全聚光的光束没有发散，不会随着距离的增加而扩散。然而，衍射阻止了这样的光束的产生。
双语例句
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The method is based on measuring the deflection of rays from a collimated light beam due to gradients in refractive index.
平行光通过折射率存在梯度的场，光线产生偏转，即产生云纹效应。
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Another important application of diffraction theory is the study of the far field divergence Angle of a collimated light beam.
衍射理论的另一个重要应用就是研究准直光束的远场发散角。
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New technique of measuring 3d displacement field of object's surface by multiple overlapping holography to use collimated light beams is investigated.
本文研究用平行光多重全息术分析测量物体表面三维位移场的新技术。
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