Ultraviolet laser spectroscopy of aluminum atoms in hollow-cathode lamp

@article{Liu2018UltravioletLS,
  title={Ultraviolet laser spectroscopy of aluminum atoms in hollow-cathode lamp},
  author={Hongli Liu and W. H. Yuan and Feihu Cheng and Zhiyuan Wang and Zetian Xu and Ke Deng and Zehuang Lu},
  journal={Journal of Physics B: Atomic, Molecular and Optical Physics},
  year={2018},
  volume={51}
}
We report on the precision measurement of aluminum atoms 2 P 1 / 2 − 2 S 1 / 2 transition at 394 nm and 2 P 3 / 2 − 2 S 1 / 2 transition at 396 nm in a hollow-cathode lamp. Both absorption and saturated absorption spectra are measured. From the absorption spectra, the Doppler linewidth is estimated to be 2.65 GHz. The saturated absorption spectra are analyzed based on a velocity-changing collisions model. With a frequency comb calibrated wavemeter, the frequencies of 2 P 1 / 2 ( F ′ = 3 ) − 2 S… 
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