Search for Laser Lines in Sodium like Fe Plasmas

Abstract

<p class="MsoNormal" style="text-align:justify;"> <span lang="EN-US">Energy levels, transition probabilities and effective collision strength for<i> </i>1s<sup>2</sup> 2s<sup>2</sup><i> </i>2p<sup>6 </sup><st1:chmetcnv unitname="l" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on">3l</st1:chmetcnv>, <st1:chmetcnv unitname="l" sourcevalue="4" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on">4l</st1:chmetcnv>, <st1:chmetcnv unitname="l" sourcevalue="5" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on">5l</st1:chmetcnv> (l</span><span lang="EN-US"> </span><span lang="EN-US">=</span><span lang="EN-US"> </span><span lang="EN-US">0,</span><span lang="EN-US"> </span><span lang="EN-US">1,</span><span lang="EN-US"> </span><span lang="EN-US">2,</span><span lang="EN-US"> </span><span lang="EN-US">3,</span><span lang="EN-US"> </span><span lang="EN-US">4) states of sodium like Fe are used in the determination of the reduced populations for 21 fine structure levels over a wide rang of electron density values (10<sup>18</sup> to <st1:chmetcnv unitname="cm" sourcevalue="1020" hasspace="True" negative="False" numbertype="1" tcsc="0" w:st="on">10<sup>20 </sup>cm<a name="OLE_LINK6"></a><a name="OLE_LINK2"></a></st1:chmetcnv><sup>–</sup><sup>3</sup>) and at against electron plasma temperatures. Gain coefficients are evaluated and plotted against the electron density.</span> </p&gt