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Saleh M, Ghafoori S M, Taghi pour Kaffash M, Batebi S. Investigation on effect of increase in intensity on high order harmonics generation yield in barrier suppression ionization regime. ICOP & ICPET _ INPC _ ICOFS 2014; 20 :1585-1588
URL: http://opsi.ir/article-1-71-en.html
URL: http://opsi.ir/article-1-71-en.html
1- Guilan University
Abstract: (5514 Views)
In this paper the effect of increase in intensity of short laser pulse on high order harmonics generation yield for hydrogen, helium and neon atoms under a monochrome laser field with a linear polarization has investigated. Result of simulation shows that the harmonics yield by increase in intensity in an optimized intensity has been stoped and then has been decreased. This decrease in harmonics yield can be explained by with wave-packet spreading .Also we investigate that this optimized intensity for diffrente gases according to atomic number and level of valence energy has been changed.
Keywords: Barrier suppression ionization, High order harmonics generation, High order harmonics generation yield, Tunneling ionization
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