Open AccessA ROTATIONAL ANALYSIS OF UV MULTIPHOTON IONIZATION SPECTRUM OF SiH4
Author(s) -
Qingzheng Lu,
Ding Chuan-Fan,
Gao Jian-mi,
Fanao Kong
Publication year - 1991
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.40.39
Subject(s) - ionization , excitation , perpendicular , atomic physics , materials science , laser , spectrum (functional analysis) , optics , physics , ion , geometry , mathematics , quantum mechanics
Fine structrue of the band at 363.52 nm in multiphoton ionization spectrum of SiH4 has. been observed using dye laser with 6×10-4nm scanning step. In the case of three-photon resonant excitation, SiH4 is treated as a a symmetric top. Most rotational lines have been resolved and acounted for as a Q-branch of v2 perpendicular band, and B= 3.04±0.01 cm-1 is thus obtained.
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