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29 November 2000 Time dependence of Talbot effect under ultrashort laser illumination
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Abstract
An equation is given to study the time dependence of the Fresnel diffraction field of a grating illuminated by an ultrashort pulsed-laser beam. Through numerical calculation, we find the temporal Talbot effect is both time-dependent and distance-dependent. For the width of the input pulse (Delta) (tau) within a few decade femtoseconds, the shorter Talbot distance, and/or the longer length of the input pulse, the more similar the outline of the temporal intensity distribution to that of the input pulse. While for (Delta) (tau) within a few thousand femtoseconds, the outline of the temporal intensity distribution is almost the same as that of the input pulse except for a time-delay.
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Huaisheng Wang, Changhe Zhou, Shuai Zhao, Peng Xi, and Liren Liu "Time dependence of Talbot effect under ultrashort laser illumination", Proc. SPIE 4114, Photonic Devices and Algorithms for Computing II, (29 November 2000); https://doi.org/10.1117/12.408560
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