High-Order Harmonic Generation in Au Nanoparticle-Contained Plasmas

被引：11

作者：

Venkatesh, Mottamchetty ^{[1
]}

Ganeev, Rashid A. ^{[1
,2
,3
]}

Ivanov, Dmitry S. ^{[4
,5
,6
,7
,8
]}

Boltaev, Ganjaboy S. ^{[1
,2
,9
]}

Kim, Vyacheslav V. ^{[1
,2
]}

Liang, Jingguang ^{[1
]}

Samokhvalov, Andrey A. ^{[8
]}

Kabashin, Andrei V. ^{[6
,10
]}

Klimentov, Sergey M. ^{[6
]}

Garcia, Martin E. ^{[4
,5
]}

Guo, Chunlei ^{[1
,11
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Appl Opt, Guo Photon Lab, Changchun 130033, Peoples R China

[2] Amer Univ Sharjah, Dept Phys, Sharjah 26666, U Arab Emirates

[3] Voronezh State Univ, Fac Phys, Voronezh 394006, Russia

[4] Univ Kassel, Inst Phys, D-34125 Kassel, Germany

[5] Univ Kassel, Ctr Interdisciplinary Nanostruct Sci & Technol CI, D-34125 Kassel, Germany

[6] Natl Res Nucl Univ MEPhI, Moscow Engn Phys Inst, Moscow 115409, Russia

[7] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia

[8] ITMO Univ, Dept Laser Photon & Optoelect, St Petersburg 197101, Russia

[9] Tashkent Inst Irrigat & Agr Mechanizat Engn, Tashkent 100000, Uzbekistan

[10] Aix Marseille Univ, CNRS, LP3, Campus Luminy,Case 917, F-13288 Marseille, France

[11] Univ Rochester, Inst Opt, Rochester, NY 14627 USA

来源：

NANOMATERIALS | 2020年 / 10卷 / 02期

基金：

中国国家自然科学基金; 俄罗斯科学基金会; 比尔及梅琳达.盖茨基金会;

关键词：

ultrashort pulses; laser plasma; nanoparticles; high-order harmonics; molecular dynamics; simulation; laser-matter interactions; 2ND-HARMONIC GENERATION; LASER-PULSE; ELECTRON; METALS; ENHANCEMENT; GAS;

D O I：

10.3390/nano10020234

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页数：18

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