Abstract
A great deal of work was done on the analysis of RgX emission spectra in the decade following the invention of the RgX lasers in 1975. However, high pressure KrI spectral data are still scarce and spectroscopy analysis of KrI spectra is not available. This paper reported the first spectroscopic study of the KrI excimers which agrees with the recent experimental work at high pressure. The spectral line shape was studied with a simple semiclassical model. This model provides semi-quantitative estimates for the governing potential functions associated with the ground and excited states. We compare our simulation results with experimental data of high-pressure KrI*, obtained in a novel 13.56 MHz excimer lamp system. This simulation yields the vibrational frequency of the KrI excited state, 132 cm−1, and the slope of the lower state potential curve in the Franck–Condon region, 0.035 Hartree/a0. In addition, factors that affect the line shapes of excimer spectra are discussed.
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