When we were discussing the index of refraction, we saw that an incoming beam of light will make the atoms rediate again.
在讨论折射率时，我们曾看到入射光束使原子再辐射。
Induction and Calculation of Absorbance for Optical Wave-Guide Cell──With Small Rectangular Cross-Section Incident Light Beam
光导池吸光度表达式的推导与计算──小矩形横截面入射光束
The grating converts the light into a central peak plus side peaks.
光栅将入射光束转化成一个中心峰值和一系列副峰值。
The light is emitted by the laser diode and enters a diffraction grating.
激光束从激光二极管中发出，射入衍射光栅。
The papillary light reflex is elicited by shining a beam of light into an eye.
瞳孔对光反射是由光束射入眼睛所产生。
An incident wavefront of light makes an angle of 60°with the surface of a pool of water.
一束入射光的波前和水塘表面成60°角。
He then shines a narrow beam in horizontally through the pinhole.
然后他通过小孔水平地射入一窄光束。
When the laser beam goes through the diffraction grating, it is split up into a central bright beam plus a number of side beams.
当激光束射入衍射光栅后，被分成一个中间的明亮光束和一些处于旁边的光束。
illuminating laser beam
照射激光束，照明激光束
The study of improving the band-width of an acousto-optic deflector by multiple beam
多光束入射拓展声光偏转器带宽的研究
The Influence of Incident Condition of Light Beam on the Output Characteristics of 1-D PSD
光束入射条件对一维PSD输出特性的影响
Normal incidence
垂直入射(亦见直射声束)
ultraviolet double beam spectrophotometer
紫外双射束分光光度计
Scattering of a beam with orbital angular momentum by a single sphere
具有轨道角动量光束入射下的单球粒子散射研究
Transmission attenuation of laser beams with different incident angles in large-core SI-PDF optical fibers
不同入射角激光束在大芯径SI-PDF光纤中的传输损耗
Effect of incident laser beam angle varying on cube corner retro-reflector measurement accuracty
激光光束入射角度变化对角锥棱镜测量精度的影响
a concave reflector used to produce a parallel beam when the source is placed at its focus or to focus an incoming parallel beam.
当光源来自焦点以产生平行光束或者平行光束以产生焦点的凹入的反射镜。
beam forming optics
射束形成光学;聚束光学系统;聚束光学系统