X射线自由电子激光加热的固体密度铝等离子体的饱和吸收
Saturable absorption of an x-ray free-electron-laser heated solid-density aluminum plasma.
作者信息
Rackstraw D S, Ciricosta O, Vinko S M, Barbrel B, Burian T, Chalupský J, Cho B I, Chung H-K, Dakovski G L, Engelhorn K, Hájková V, Heimann P, Holmes M, Juha L, Krzywinski J, Lee R W, Toleikis S, Turner J J, Zastrau U, Wark J S
机构信息
Department of Physics, Clarendon Laboratory, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom.
Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, USA.
出版信息
Phys Rev Lett. 2015 Jan 9;114(1):015003. doi: 10.1103/PhysRevLett.114.015003.
High-intensity x-ray pulses from an x-ray free-electron laser are used to heat and probe a solid-density aluminum sample. The photon-energy-dependent transmission of the heating beam is studied through the use of a photodiode. Saturable absorption is observed, with the resulting transmission differing significantly from the cold case, in good agreement with atomic-kinetics simulations.
来自X射线自由电子激光的高强度X射线脉冲被用于加热和探测固态密度的铝样品。通过使用光电二极管研究加热光束的光子能量相关透射率。观察到了饱和吸收现象，其产生的透射率与冷态情况有显著差异，这与原子动力学模拟结果吻合良好。
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