Acta Optica Sinica, Volume. 5, Issue 12, 1064(1985)
Two-photon spectra of neutral Barium in high-lying states
Barium atoms pumped by a dye laser can absorb two photons and transit to high-lying states. By using a heat diode to detect ionization signals, we obtained three even-parity Rydberg series 6 ns 1S0(n=11~46), 6snd 1D2(n =9~60) and 6snd3D2 (n=10~28), as well as five perturbing levels 5d833D2, 5d83, 5d8s 1d2,5d7d 3F2, 5d7d3 P0 and 5d7d 1D2. The Lu-Fano plot is used in our discussion.
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WU DONGHONG, ZHANG ZAIXUAN, MI XIN, LI FANGDAI, DING DAJUN. Two-photon spectra of neutral Barium in high-lying states[J]. Acta Optica Sinica, 1985, 5(12): 1064