“…To the best of our knowledge, Lynds et al are the only researchers who have published a study demonstrating sub-Doppler spectroscopy using laser ablation sources. 25 In their study, an ablation plume was produced in a vacuum, and the Doppler broadening of the uorescence peak was narrowed by observing the uorescence only from a limited geometrical area of the plume. However, it had a drawback of low sensitivity because the number of atoms contributing to the uorescence signal was extremely small owing to the spatial limitation.…”
We observed Doppler-free fluorescence spectra using ablation plumes. From the lineshape analyses the detailed collisional process in the ablation plume was revealed and the isotopic analysis for nuclides with small isotope shifts was demonstrated.
“…To the best of our knowledge, Lynds et al are the only researchers who have published a study demonstrating sub-Doppler spectroscopy using laser ablation sources. 25 In their study, an ablation plume was produced in a vacuum, and the Doppler broadening of the uorescence peak was narrowed by observing the uorescence only from a limited geometrical area of the plume. However, it had a drawback of low sensitivity because the number of atoms contributing to the uorescence signal was extremely small owing to the spatial limitation.…”
We observed Doppler-free fluorescence spectra using ablation plumes. From the lineshape analyses the detailed collisional process in the ablation plume was revealed and the isotopic analysis for nuclides with small isotope shifts was demonstrated.
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