High Resolution Photoionization Spectrum of HBr Measured With Frequency Tripled Laser Radiation
Open Access
- 1 January 1987
- journal article
- research article
- Published by Wiley in Laser Chemistry
- Vol. 7 (2-4) , 129-139
- https://doi.org/10.1155/lc.7.129
Abstract
The photoionization spectrum of HBr around the first ionization limit was measured at resolution of up to 5 x 10−4 nm. The ionizing vacuum ultraviolet radiation was generated by frequency tripling of the second harmonic output of a dye laser. Three sets of Rydberg series, each converging to the ground state (2Π3/2) of HBr+, were observed on the longer wavelength side of the ionization limit. By extrapolation of the Rydberg series, the ionization potential of HBr was determined to be 11.666 ± 0.001 eV.Keywords
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