Measurement of the hyperfine splitting of the 9 S1/2 level in Cesium by Doppler-free two-photon spectroscopy期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Measurement of the hyperfine splitting of the 9 S1/2 level in Cesium by Doppler-free two-photon spectroscopy

Authors:	PV Kiran Kumar MV Suryanarayana

Institution:	1. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing, 102206, China;2. Department of Mathematics and Interdisciplinary Mathematics Institute, University of South Carolina, Columbia, SC 29208, United States;1. Key Laboratory of Chemical Lasers, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;1. Department of Physics, University of Cyprus, 1678, Nicosia, Cyprus;2. School of Engineering, Frederick University, 1036, Nicosia, Cyprus;3. Molecular Genetics Thalassaemia Department, The Cyprus Institute of Neurology and Genetics, 2371, Nicosia, Cyprus

Abstract:	The hyperfine splitting for the ¹³³Cs isotope for the 6s ²S_1/2 → 9s ²S_1/2 transition has been measured using Doppler-free two-photon fluorescence spectroscopy in a gas cell for the first time to our knowledge. The hyperfine splitting between the two components was measured to be 8754 (1) MHz and the magnetic dipole coupling constant (A) for the excited 9s ²S_1/2 level was determined to be 109.7 (3) MHz for the ¹³³Cs isotope. The measured values are in good agreement with the earlier reported results.

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