相比于法拉第反常色散滤光器(FADOF)的精确模型,强磁场模型的能级结构简单,可以给出一些解析表达式,但是只有当磁场较强时才近似成立.通过计算两种模型在相同参数下的钠原子D2线透射谱,并将计算得到的谱型和实验数据进行比对,得出了强磁场模型的适用条件以及符合程度.当磁场小于0.1 T时,两种模型中心透射谱的差别大于50％,而当磁场大于0.3 T时,透射谱的差别小于5％.
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