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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 197-200 |
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Fattahi M S, Rahimi S, Hossein zadeh F, Batebi S. Ultra short attosecond pulse generation in the presence of static field. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :197-200
URL: http://opsi.ir/article-1-1846-en.html
URL: http://opsi.ir/article-1-1846-en.html
1- Department of Physics, University of Guilan
Abstract: (1899 Views)
In order to generate attosecond pulse, we’ve solved the time dependent Schrodinger equation in 1 dimensional case for Hydrogen atom. Thus, by calculating the Fourier transformation of the induced dipole acceleration, we’ve depicted the high harmonics spectra for both one color and two color laser fields with and without the presence of a static field. We’ve also compared generated attosecond pulses by superposing some of the harmonics for the above two cases. As a result, the generated pulse for the monochromatic field, which was 158 attosecond wide, shortens to 105 attosecond in the presence of a static field. in bichromatic laser field case, a 66 attosecond pulse is generated. In presence of a static field, its width shrinks to 52 attosecond.
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