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3 2017, 23(9): 57-60 Back to browse issues page
Optimization of three color laser field in order to achieve an isolated attosecond pulse by using the effect of different envlopes
miss Sahar Bakhshi 1, Dr Saeed Batebi2, miss Forouq Hosseinzadeh1
1- Master student
2- Associated professor
Abstract:   (219 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.

Keywords: Cutoff, Fourier transformation, Isolated attosecond pulse, Pulse shapes.
Full-Text [PDF 629 kb]   (79 Downloads)    
Type of Study: Research | Subject: Special
Received: 2017/04/3 | Accepted: 2017/04/3 | Published: 2017/04/3
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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 . 3. 2017; 23 (9) :57-60
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Volume 23, Number 9 (3-2017) Back to browse issues page
انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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