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Enhanced extreme ultraviolet conversion efficiency of a 2 mu m laser-driven preformed tin-droplet target using short picosecond pre-pulses

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成果类型:
期刊论文
作者:
Shi, Z. Y.;Yuan, Y.;Wang, W. P.;Ma, Y. Y.;Sun, X. Y.;...
通讯作者:
W. P. Wang<&wdkj&>Y. Y. Ma
作者机构:
[Leng, Y. X.; Shi, Z. Y.; Wang, W. P.; Lin, N.; Sun, X. Y.] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech SIOM, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China.
[Yuan, Y.] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.
[Ma, Y. Y.] Natl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R China.
[Sun, X. Y.] Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
通讯机构:
[W. P. Wang] S
[Y. Y. Ma] C
College of Advanced Interdisciplinary Studies, National University of Defense Technology , Changsha 410073, China<&wdkj&>State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS) , Shanghai 201800, China
语种:
英文
期刊:
PHYSICS OF PLASMAS
ISSN:
1070-664X
年:
2023
卷:
30
期:
4
页码:
043107
基金类别:
National Natural Science Foundation of China [12075306]; Natural Science Foundation of Shanghai [22ZR1470900]; Key Research Programs in Frontier Science [ZDBS-LY-SLH006]; Research Foundation of Education Bureau of Hunan Province, China [22B0453]
机构署名:
本校为其他机构
院系归属:
核科学技术学院
摘要:
In this study, an extreme ultraviolet (EUV) conversion efficiency (CE) of 6.9% was obtained in simulation by controlling the delay between a picosecond pre-pulse and a main-pulse with a wavelength of 2 μm; this value is about 7.5% higher than the ns pre-pulse scheme of the EUV emission produced by a 2 μm laser-driven tin-droplet target. In the simulation, the tin droplet expanded into hollow spherical structures after irradiation with a picosecond pre-pulse laser. Notably, compared with a nanosecond pre-pulse, in this case, the density of t...

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