Digital holographic measurement of electron temperature and density of laser-produced plasmas with an ultrashort laser pulse

被引：4
作者：
Li, Xin-yan [1 ,2 ]
Yuan, Peng [1 ,2 ]
Liu, Wei [1 ,2 ]
Tan, Wei-Qiang [1 ,2 ]
Liu, Yao-Yuan [1 ,2 ]
Zheng, Jian [1 ,2 ,3 ]
机构：
[1] Univ Sci & Technol China, Dept Plasma Phys & Fus Engn, Hefei, Anhui, Peoples R China
[2] Univ Sci & Technol China, CAS Key Lab Geospace Environm, Hefei 230026, Anhui, Peoples R China
[3] Shanghai Jiao Tong Univ, Collaborat Innovat Ctr IFSA CICIFSA, Shanghai 200240, Peoples R China
来源：
APPLIED OPTICS | 2023年 / 62卷 / 17期
关键词：
SYSTEM;
D O I：
10.1364/AO.488979
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Holography, which can provide the information of phase as well as amplitude of a laser probe, could be a powerful method to diagnose the electron density and temperature of a plasma simultaneously. In this paper, digital hologra-phy with an ultrashort laser pulse is applied to diagnose laser-produced aluminum plasmas. Detailed analyses show that the reconstruction of the wave amplitude could be profoundly affected by the difference between the phase and group velocity of the ultrashort laser pulse in the plasma, which makes it a challenge to accurately reconstruct the amplitude in the case when ultrashort laser pulses are utilized for high-temporal resolution of holography. & COPY; 2023 Optica Publishing Group
引用
收藏
页码：4390 / 4398
页数：9
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