基于光子动量在不同媒质分界面上沿分界面方向守恒原理，制作了光的折射(定)律演示装置。
Based on the conservation of photon momentum component parallel to the interface, the demonstration device of refraction law of light is made.
结果表明，无论是否满足定标律，大气湍流会引起多色部分空间相干光的光谱移动和光束扩展；多色部分空间相干光光束扩展比多色完全空间相干光受湍流的影响小。
It is shown that the atmospheric turbulence gives rise to spectral shift and to beam spreading of spatially partially coherent polychromatic light whether the scaling law is satisfied or not.
使用光源：一律采用低光衰大功率的LED作为光源，以确保其长寿命、节能、高效、环保的特点。
Lighting source: Low light-declining LED, long lifetime, energy saving, high efficiency and environment protective.
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