By starting from the paraxial wave equation, the analytical expression of the ultrashort Hyperbolic Secant pulsedbeam are deduced.
从傍轴波动方程出发，给出了超短双曲正割脉冲光束的解析解。
2
The far-field anomalous spectral behaviors of a Gaussian pulsedbeam passing through a linear circular apertures array are studied.
研究了超短高斯脉冲光束经线性排列的矩形光阑阵列衍射后的远场光谱奇变现象。
3
By using the concept of spatially induced group velocity dispersion, the propagation of Bessel-like pulsedbeam which is constant beam waist in free space is studied.