The experiment for research on the hyperfine structure of I 2 absorption lines with third harmonic frequency stabilization in Nd:YVO 4 KTP ring laser has been done.
采用三次谐波稳频的方法,对Nd:YVO4/KTP环形倍频激光器的碘吸收谱线的超精细结构进行研究,在实验上观测到的两组谱线的超精细结构与理论值基本相符,其中,观测到的R(70)361谱线属于第一激发态跃迁,这一结果尚未见报道。
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