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Bakhshi S, Batebi S, Hosseinzadeh F. Optimization of three color laser field in order to achieve an isolated attosecond pulse by using the effect of different envlopes . ICOP & ICPET _ INPC _ ICOFS 2017; 23 :57-60
URL: http://opsi.ir/article-1-1226-en.html
Abstract:   (2683 Views)

Abstract- in order to achieve a short  attosecond  pulse  in this article ,we solved the time dependent 1D Schrodinger  equation for  a single helium atom. By calculating  the modulus squared of Fourier  transformation of the induced dipole acceleration, we succeed to depict the spectrum of high  harmonics for one-color , two-color and three –color laser field . By superposing several  harmonics near the cutoff region,  in the three-color laser field the isolated  attosecond  pulse is  generated. In the following ,we considered the effects of different pulse shapes. With the use of the best one (sine squared) we succeeded to generate an isolated (79) attosecond  pulse.

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Type of Study: Research | Subject: Special

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