Can we skirt Einstein's theory of special relativity and travel faster than a beam of light?
我们能否绕过爱因斯坦狭义相对论的理论使得移动速度超越光速?
We see the beam from the flashlight because the light is reflected by particles of dust or moisture in the air.
因为空气中的灰尘或水汽反射电筒的光,我们才看得见电筒的光束。
Once our goal to pursue and ignore it, until the day we not bian direction, look slightly, firmly in the footsteps of a beam of light to guide us.
曾经我们向目标追逐而忽视它的存在,直至一天我们不辨方向,微微抬头,一束柔光指引我们迈出坚定的脚步。
We analyzed the stray light source of system and drew a conclusion that non-image beam has great effect on system qualities and system ghost images caused by parallel Windows should not be ignored.
分析了系统杂散光的来源,得出非成像光束对系统影响较大、平板玻璃窗产生的鬼像不容忽视的结论。
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。
We named it Stokes method which use four parameters to describe the polarization of light beam. The four parameter use the same physics dimension.
描述光束偏振态的最普遍的方法,是用一组物理量纲完全相同的参量——斯托克斯参量来描述。
We design each beam of light carefully!
我们精心设计每一束光!
We experimentally produce this beam with a computer-generated hologram (CGH) displayed on a spatial light modulator (SLM).
利用计算全息方法和空间光调制器产生了环形平顶涡旋光束。
The line is enhanced by the old wooden beam above the kitchen table, where we have placed a long continuous line of small light bulbs that provide the ideal working light.
厨房台面垂直上方所悬挂的古旧木制横梁不但增强了厨房空间的线条感,同时,这一设置不仅加强了厨房的收纳功能,而且横梁背面密布的小灯还能增强厨房操作的光感。
In this paper, we bring forth a new optimal design method of Fresnel diffractive lens using in light beam collimation of laser diode.
针对国内外现有半导体激光器准直器件的缺点,提出了一种用于半导体激光器准直的相位型二元菲涅耳衍射透镜的优化方法。
In this paper, we bring forth a new optimal design method of Fresnel diffractive lens using in light beam collimation of laser diode.
针对国内外现有半导体激光器准直器件的缺点,提出了一种用于半导体激光器准直的相位型二元菲涅耳衍射透镜的优化方法。
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