The method of sub-Doppler fluorescence spectroscopy is proposed and is based on the narrowing behavior with time of the velocity distribution of optically excited atoms (molecules) of a rarefied gas medium in a thin cell after exposure to a sufficiently short light pulse. Changes in the established sub-Doppler resonances with time and the essential dependence of these resonances on the gas-cell dimensions are analyzed.
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 89, No. 1, pp. 12–16, January–February, 2022. https://doi.org/10.47612/0514-7506-2022-89-1-12-16.
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Gasanova, A.S., Izmailov, A.C. Ultra-High-Resolution Fluorescence Spectroscopy Upon Excitation of Atoms by Pulsed Radiation in Thin Gas Cells. J Appl Spectrosc 89, 7–11 (2022). https://doi.org/10.1007/s10812-022-01317-5
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DOI: https://doi.org/10.1007/s10812-022-01317-5