Speaker
Zhimin Hu
Description
See the full Abstract at http://ocs.ciemat.es/EPS2018ABS/pdf/P1.2001.pdf
Characterization the state of laser-produced Au plasmas by measuring the
X-ray emission spectra of buried Ti trace
Zhimin Hu1, Zhencen He1,2, Jiyan Zhang1, Jiamin Yang1 and Baohan Zhang1
1
Laser Fusion Research Center, CAEP, Mianyang, China
2
Institute of Atomic and Molecular Physics, Sichuan Universiy, Chengdu, China
Au plasma states were characterized by measuring x-ray emission spectra from the the
buried Ti layer gold planar target irradiated by nanosecond laser pulses on the Shenguang-III
[1]
laser facility . The time-resolved x-ray emission spectra of hot titanium plasmas were
measured by a streaked crystal spectrometer. The measured data were reproduced by the
[2]
FLYCHK code , and the temperature and density of plasmas were deduced from the
simulated spectra. In order to evaluate the feasibility of the method of the x-ray emission
spectra of buried Ti trace layer, laser-produce Au plasmas were simulated with the multi-1D
[3]
hydrodynamic simulations. Due to the simulations do not take the radial gradients into
account, some deviations between the experimental and simulation results have been found.
In this talk, the details of the experiment and theoretical work will be presented.
[1] W. Zheng et al,. High Power Laser Sci. Eng. 4, 1(2016).
[2] H.-K. Chung, M. H. Chen, W. L. Morgan, Y. Ralchenko, and R. W. Lee, High Energy Density Phys.1,
3 (2005).
[5] R . Ramis, Schmaltz R and Meyer-ter-Vehn J, Comput. Phys. Comm. 49, 475(1988).
