Propagation of pulsed beam beyond the paraxial approximation in free space

@inproceedings{Lu2003PropagationOP,
  title={Propagation of pulsed beam beyond the paraxial approximation in free space},
  author={Daquan Lu and Wei Hu and Yizhou Zheng and Zhenjun Yang},
  year={2003}
}
We study the propagation of ultrashort pulsed beam (down to the limit of single-cycle pulse) beyond the paraxial approximation in free space. By application of the perturbation method, the nonparaxial corrections to an arbitrary paraxial solution are given in a series form. The rigorous nonparaxial results are obtained for comparison by numerical simulation. It shows that the second-order correction can guarantee a good precision in describing the nonparaxial propagation of a single-cycle… CONTINUE READING

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