Laser Induced Breakdown Spectroscopy of Er II for Transition Probability Measurements

Yuki Naoi, Masayuki Iwata, Daichi Yokota, Gediminas Gaigalas, Daiji Kato, Izumi Murakami, Hiroyuki A. Sakaue, Yuichiro Sekiguchi, Masaomi Tanaka, Hajime Tanuma, Shinya Wanajo, Nobuyuki Nakamura

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1 Citation (Scopus)


We present a laser induced breakdown spectrum of Er II in the near ultraviolet region. To use the spectrum for the evaluation of the transition probabilities, an alloy target with a low content of Er was used to suppress the self-absorption. From the linearity of the Boltzmann plot obtained by using the sensitivity corrected experimental intensity and existing transition probability data, the local thermal equilibrium condition of the plasma and the reliability of the transition probability data are confirmed. The linear function obtained in the Boltzmann plot is used for the determination of a previously unreported transition probability for the line at 393.863 nm.

Original languageEnglish
Article number2219
JournalApplied Sciences (Switzerland)
Issue number4
Publication statusPublished - 2022 Feb 1


  • Erbium
  • Lanthanides
  • Laser induced breakdown spectroscopy
  • Neutron star merger
  • Transition probabilities


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