The influence of turbulence on beam spreading of the spatially partially coherent polychromatic light is smaller than that of spatially fully coherent polychromatic light.
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。
The influence of atmospheric turbulence on the relative beam width spreading is larger for PCFT beam array with larger beam order and smaller coherence length.
光束阶数越大、相干长度越小,部分相干平顶光束序列的相对束腰宽度扩散较快;
The expression of optical-beam wander is obtained from above long-term optical-beam spreading formula and the MA.
应用上面长期光束扩展半径表达式和马尔可夫近似获得了光束漂移表达式。
But when turbulence is strong, this influence can be neglected and the beam spreading is mainly determined by the intensity of turbulence effects.
在较强湍流效应条件下,不同遮拦比光斑扩展变化趋势相同。此时远场光斑扩展主要还是受湍流效应强弱的影响。
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.
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。
The mean-square width and the equivalent-beam width are put forward to investigate the spreading of vortex beam while propagating.
提出了均方根光斑尺寸以及等效光斑尺寸的定义,并分别采用这两种定义对涡旋光束的光斑展宽进行了分析。
The mean-square width and the equivalent-beam width are put forward to investigate the spreading of vortex beam while propagating.
提出了均方根光斑尺寸以及等效光斑尺寸的定义,并分别采用这两种定义对涡旋光束的光斑展宽进行了分析。
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