Soft x‐ray laser in a steep density gradient MgXI plasma

The hydrodynamic behaviors of a steep density gradient Mg plasma produced by a short driving laser pulse is simulated, and it is shown that the temperature of a shorter scale‐length (steeper density gradient) plasma decreases faster. The rate equations of the energy level population are solved using...

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Published in:Physics of plasmas 1996-07, Vol.3 (7), p.2770-2777
Main Authors: Ma, Guo‐Bin, Tan, Wei‐Han
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Language:English
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description The hydrodynamic behaviors of a steep density gradient Mg plasma produced by a short driving laser pulse is simulated, and it is shown that the temperature of a shorter scale‐length (steeper density gradient) plasma decreases faster. The rate equations of the energy level population are solved using the collisional radiative model. The ground states of MgX, MgXII, and MgXIII, and the 21 energy levels of MgXI, of which the principal quantum number n≤6, are considered in our calculation. The gain coefficients of several possible laser transitions at wavelengths less than 200 Å in the MgXI plasma are presented. Finally the possibility of achieving a soft x‐ray laser near the water‐window is discussed.
doi_str_mv 10.1063/1.871532
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title Soft x‐ray laser in a steep density gradient MgXI plasma
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