Fullerenes: The attractive medium for harmonic generation
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- Ganeev, R.A. Laser Phys. (2011) 21: 25. doi:10.1134/S1054660X10150107
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We review the results of systematic experimental studies of high-order harmonic generation (HHG) in C60-rich laser-produced plasma under different plasma conditions and laser parameters. The morphology of fullerene clusters before and after ablation is analyzed to define the optimal conditions of excitation of C60-containing targets. The enhancement of HHG efficiency in C60-rich plasmas by using the two-color pump technique is discussed. The conversion efficiency for the odd and even harmonics in the vicinity of surface plasmon resonance of the C60-containing plasma (40–70 nm) was estimated to be in the range of 10−4.