Biologists discovered that the snail scatters light in all directions, rather than focusing it into a single beam.
生物学家们发现这种海蜗牛的光散向各个方向，并不是集中为一条光束。
The light beam surfacing system was developed which consisted of light beam generator, optical focusing system, powder-feed apparatus and work table.
研制了由光束发生器、聚焦系统、旋转气流送粉器、工作台组成的聚焦光束堆焊系统。
Focusing on the problem such as slow scanning speed, complex system design and low light efficiency, a simple method to obtaining optical sectioning in multiple-beam confocal measurement was proposed.
针对共焦测量中单点扫描速度慢、机构复杂、光能利用率低的问题，介绍了一种利用结构光和共焦显微术相结合来实现多光束测量的新方法。
In recent years, there have been many researches focusing on orbital angular momentum of light beam in the field of optics.
近年来，在光学领域内，关于光束轨道角动量的研究，受到广泛的关注。
Photorefractive (PR) spatial solitons form when the self-focusing of a light beam inside the PR material exactly balances the diffraction of the beam.
光折变空间光孤子是指当光折变材料的自聚焦效应与光束的衍射发散作用相平衡时，在介质内无衍射向前传播的光束。
The conditions of focusing, defocusing and trapping of light beam are given.
给出了光束的聚焦、散焦和陷的条件。
The light distribution after focusing and the influences of the beam radius with the propagation distance are investigated in the paper.
文章主要就聚集之后光强分布和距离对光束半径的影响这两个方面作以深入地探讨。
The device comprises a semiconductor laser light source, an optical beam shaping system, an optical beam transmission system, an optical beam scanning system, an optical focusing system, and the like.
该装置包括半导体激光光源、光束整形系统、光束传输系统、光束扫描系统、光学聚焦系统等。
Axial resolution in optical coherence tomography (OCT) imaging is determined by the coherence length of light source and the beam-focusing condition.
其轴向分辨率由光源带宽和探测光束的聚焦条件共同决定。
Axial resolution in optical coherence tomography (OCT) imaging is determined by the coherence length of light source and the beam-focusing condition.
其轴向分辨率由光源带宽和探测光束的聚焦条件共同决定。
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