Resonance-enhanced multiphoton ionization spectroscopy of SF2 radical

Quanxin Li; Jinian Shu; Qun Zhang; Shuqin Yu; Jinghua Dai; Congxiang Chen; Xingxiao Ma

doi:10.1117/12.308412

15 May 1998 Resonance-enhanced multiphoton ionization spectroscopy of SF₂ radical

Quanxin Li, Jinian Shu, Qun Zhang, Shuqin Yu, Jinghua Dai, Congxiang Chen, Xingxiao Ma

Proceedings Volume 3271, Laser Techniques for State-Selected and State-to-State Chemistry IV; (1998) https://doi.org/10.1117/12.308412
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

The electronic spectra of SF₂ radical were experimentally investigated by using Resonance-Enhanced Multiphoton Ionization in the excitation wavelength range of 245-365 nm. A pulsed dc discharge technique was applied to generate the neutral SF₂ in the supersonic beam of Ar seeded with SF₆. From the recorded laser excitation resonance spectra at the mass-electron ratio corresponding to SF₂⁺, ten electronic band system of SF₂ including three series of Rydberg states and two valence states were observed, and most of them were vibrationally assigned. A fit of Rydberg formula to the ns origins suggest the adiabatic ionization potential for neutral SF₂ being 10.02 eV.

Citation Download Citation

Quanxin Li, Jinian Shu, Qun Zhang, Shuqin Yu, Jinghua Dai, Congxiang Chen, and Xingxiao Ma "Resonance-enhanced multiphoton ionization spectroscopy of SF₂ radical", Proc. SPIE 3271, Laser Techniques for State-Selected and State-to-State Chemistry IV, (15 May 1998); https://doi.org/10.1117/12.308412

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