Influence of ablated and tunneled electrons on quasi-phase-matched high-order-harmonic generation in laser-produced plasma
R. A. GaneevOphthalmology and Advanced Laser Medical Center, Saitama Medical University, Saitama 350-0495, JapanV. ToşaNational Institute for R&D Isotopic and Molecular Technologies, 400293-Cluj-Napoca, RomaniaKatalin KovácsNational Institute for R&D Isotopic and Molecular Technologies, 400293-Cluj-Napoca, RomaniaMasayuki SuzukiOphthalmology and Advanced Laser Medical Center, Saitama Medical University, Saitama 350-0495, JapanShin YoneyaOphthalmology and Advanced Laser Medical Center, Saitama Medical University, Saitama 350-0495, JapanHiroto KurodaOphthalmology and Advanced Laser Medical Center, Saitama Medical University, Saitama 350-0495, Japan
2015en
ABI
Аннотация
Studies of the quasi-phase-matched harmonics generated in spatially modulated silver plasma are presented. We analyze the influence of the driving and heating pulse energies on the enhancement and spectral tuning of the quasi-phase-matched harmonics and show the tuning of those enhanced groups of harmonics by tilting the multislit mask placed in front of the ablated targets. Calculations performed in the laser-produced plasmas demonstrate the joint influence of the electrons that appeared during target ablation and tunnel ionization on the tuning of the quasi-phase-matching conditions in the plasmas.
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