By using the concept of spatially induced group velocity dispersion, the propagation of Bessel-like pulsed beam which is constant beam waist in free space is studied.
利用空间诱导色散概念，从理论上研究了等束腰宽度的类贝塞尔脉冲光束在自由空间中传输性质。
Based on the propagation law of partially coherent light, spectral changes of a polychromatic Gaussian-Schell model beam propagating in free space is studied.
基于部分相干光的传输定律，研究了多色高斯·谢尔模型光束在自由空间中传输的光谱变化。
Based on the formula, propagation properties of the beams in free space are studied through numerical calculations.
根据得到的公式通过具体数值计算对脉冲贝塞尔光束在自由空间中的传输进行了研究。
In this paper, we study the propagation properties of radial symmetry beam array with the polarized distribution in the free space.
本文主要研究了带偏振的径向对称分布光束列阵在自由空间中的传输性质。
The present thesis is devoted to studying the propagation of femtosecond pulsed beams in free space, linear dispersive media, and through lenses.
本论文对飞秒脉冲光束通过自由空间、线性色散介质和单透镜的传输特性作了深入研究。
The propagation pattern of the EH11 mode of waveguide HCN laser in free space is discussed and compared with the theory.
本文讨论了波导hcn激光器输出的EH11模在自由空间中的传播模式，并与理论进行了比较。
By use of this method, we can not only obtain the propagation matrix of atom beam in free space under the influence of gravity, but also obtain the interaction matrix of atom beam with and pulse.
利用这种方法不但能得到原子束在重力的影响下在自由空间中的传输矩阵，也可以得到原子束与脉冲的相互作用矩阵。
In the end, the propagation of cylindrical wave in free space, and the hollow cylinder scattering characteristics in near field and far field is completed when it is initiated by cylindrical wave.
最后，模拟了柱面波在自由空间中的传播及空心圆柱体在柱面波入射下的近场和远场散射特性。
In the end, the propagation of cylindrical wave in free space, and the hollow cylinder scattering characteristics in near field and far field is completed when it is initiated by cylindrical wave.
最后，模拟了柱面波在自由空间中的传播及空心圆柱体在柱面波入射下的近场和远场散射特性。
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