A. B. D'yachkov, A. A. Gorkunov, A. V. Labozin, S. M. Mironov, V. A. Firsov, G. O. Tsvetkov, V. Ya. Panchenko, “The Autler–Townes effect, the Rabi frequency, and determination of characteristics of the decay of excited states in the photoionisation scheme of lutetium”, Kvantovaya Elektronika, 2022, Volume 52, Number 4,Pages <nobr>367

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Interaction of laser radiation with matter

The Autler–Townes effect, the Rabi frequency, and determination of characteristics of the decay of excited states in the photoionisation scheme of lutetium

A. B. D'yachkov, A. A. Gorkunov, A. V. Labozin, S. M. Mironov, V. A. Firsov, G. O. Tsvetkov, V. Ya. Panchenko

National Research Centre "Kurchatov Institute", Moscow

Abstract: The splitting of the first and second transitions in the lutetium photoionisation scheme 5d6s² ²D_3/2 – 5d6s6p⁴F^o_5/2 – 5d6s7s⁴D_3/2 – (53375 cm^–1)^o_1/2 is studied in a wide range of laser radiation intensities, and the Rabi frequencies as functions of the radiation intensity are determined. Based on the results, we have obtained the decay branching coefficients of 0.54 and 0.41 for the first and second transitions, respectively.

Keywords: laser selective photoionisation, lutetium-177.

Received: 08.11.2021
Accepted: 08.11.2021