FFT beam propagation time and space

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Dimitar
Dimitar on 22 Apr 2014
Edited: Dimitar on 22 Apr 2014
I can propagate in space lets say gaussian beam with fft beam propagation method. How one adds time evolution of short pulse in the fft symetrized bpm ? So that the grid is 1D for x transverse coordinate, plus 1D for time, plus 1D for z propagation.
Book will be helpful.

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