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ICOP & ICPET 2018, 24 - : 89-92 Back to browse issues page
effect of target material on harmonic generation in laser-plasma interaction
Seyed Saeid Hashemi * 1, Moslem Roustaei 1, Rasol Sadighi 1
1- Department of Physics ,Sharif University of Thechnology, Tehran
Abstract:   (45 Views)

 High harmonics can be generated thanks to the interaction high power femtosecond laser and plasmas. In this research, by particle in cell (PIC) simulation of the plasma density, the variation in the generated harmonics is investigated and as a result the optimum spectrum of the harmonics is achieved. The lower atomic number can be produced the higher harmonics. Based on the primary explanation of the high harmonic generations known as Doppler shift effect in reflection of the electromagnetic wave from the surface of the plasma oscillation, the amplitude of the plasma surface is theoretically derived, and it is shown that the amplitude is maximum for lower nuclei number of atoms. Finally the PIC simulation is applied for the different atomic number of the nuclei and it shown that the surface amplitude oscillation is in good agreement with the simulations.

Keywords: Particle in cell simulation, Femtosecond laser, Surface plasma oscillations, High harmonic generation
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Type of Study: Research | Subject: Special
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Hashemi S S, Roustaei M, Sadighi R. effect of target material on harmonic generation in laser-plasma interaction. ICOP & ICPET. 2018; 24 :89-92
URL: http://opsi.ir/article-1-1614-en.html


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انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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