使用细致谱项模型、联合组态相互作用方法和R-矩阵方法计算了处于局域热动平衡条件下的稠密、冷铝等离子体的辐射不透明度. 组态相互作用方法用于获得束缚-束缚吸收截面所需要的偶极跃迁振子强度, R矩阵方法用于获得光电离截面. 对于温度在6-12 eV、密度为0. 36 mg/cm3的铝等离子体, 计算得到的吸收系数在波长为0.351, 0.527和1.054 μm处与实验结果符合较好, 而温度在3-6 eV时, 理论计算比实验结果大.
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