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Open AccessArticle

High-Order Harmonic Generation in Au Nanoparticle-Contained Plasmas

1
The Guo Photonics Laboratory, State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
2
Department of Physics, American University of Sharjah, 26666 Sharjah, UAE
3
Faculty of Physics, Voronezh State University, 394006 Voronezh, Russia
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Institute of Physics and Center for Interdisciplinary Nanostructure Science and Technology (CINSaT), University of Kassel, 34125 Kassel, Germany
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National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
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P. N. Lebedev Physical Institute of Russian Acad. Sci., 119991 Moscow, Russia
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Department of Laser Photonics and optoelectronics, ITMO University, 197101 St. Petersburg, Russia
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Tashkent Institute of Irrigation and Agricultural Mechanization Engineers, Tashkent 100000, Uzbekistan
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Aix Marseille Univ, CNRS, LP3, Campus de Luminy, Case 917, 13288 Marseille, France
10
The Institute of Optics, University of Rochester, Rochester, NY 14627, USA
*
Authors to whom correspondence should be addressed.
Nanomaterials 2020, 10(2), 234; https://doi.org/10.3390/nano10020234
Received: 26 December 2019 / Revised: 25 January 2020 / Accepted: 27 January 2020 / Published: 29 January 2020
Gold nanoparticles (NPs) have a wide range of applications in various fields. Here, we present high-order nonlinear optical studies of the plasmas produced from ablation of Au bulk targets and Au NP films deposited on paper and glass substrates. Experimentally, we analyze high-order harmonic generation (HHG) from gold NPs-containing plasmas. The HHG is produced by 35-fs pulses at 800 and 400 nm, while the plasmas are produced by femtosecond (35 fs, 800 nm), picosecond (200 ps, 800 nm), and nanosecond (5 ns, 1064 nm) pulses, respectively. High-order harmonics produced from ablated Au NPs on paper were 40 times stronger than the HHG from that ablated from the Au bulk targets. Through molecular dynamic simulations, we investigate the formation of gold NPs during laser ablation of a metal surface under different conditions. View Full-Text
Keywords: ultrashort pulses; laser plasma; nanoparticles; high-order harmonics; molecular dynamics; simulation; laser-matter interactions ultrashort pulses; laser plasma; nanoparticles; high-order harmonics; molecular dynamics; simulation; laser-matter interactions
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Venkatesh, M.; Ganeev, R.A.; Ivanov, D.S.; Boltaev, G.S.; Kim, V.V.; Liang, J.; Samokhvalov, A.A.; Kabashin, A.V.; Klimentov, S.M.; Garcia, M.E.; Guo, C. High-Order Harmonic Generation in Au Nanoparticle-Contained Plasmas. Nanomaterials 2020, 10, 234.

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