激光吸收光谱法实时监测原子蒸气密度

Atomic Energy Science and Technology(2012)

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Abstract
采用固体激光器泵浦环形染料激光器作为光源,通过激光吸收光谱法对钆原子蒸气密度进行实时监测。应用光纤远距离传输提高光路稳定性,采用多步吸收光程技术,并引入参考光消除激光功率不稳定因素影响。实验结果表明:采用该方法建立的原子蒸气密度实时监测系统标准误差约为4%,可为激光同位素分离过程提供可靠数据,从而提高分离效率。
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Key words
gadolinium atom,real-time monitoring,laser absorption spectroscopy,laser isotope separation
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