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Effect of pulse duration on generation of attosecond pulse with coherent wake emission |
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| Affiliation: | 1.School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China;2.State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China |
| Abstract: | High-order harmonics and attosecond pulse generation with coherent wake emission are theoretically investigated for the effect of pulse duration and carrier envelope phase (CEP) of few-cycle laser pulse. We find that short pulse duration will cause the negative chirp for the high harmonics. When the laser pulse is shortened to a few cycles, the influence of the laser CEP on the chirp of the harmonics will also become more prominent. |
| Keywords: | coherent wake emission carrier envelope attosecond pulse high-order harmonics |
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