6 May 2011 SROP and DROP spectra with alkali atomic vapor cell and applications
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Abstract
Two schemes of Doppler-free high-resolution velocity-selective optical-pumping atomic spectroscopy, named single-resonance optical pumping (SROP) and double-resonance optical pumping (DROP), are performed and characterized with room-temperature cesium vapor cells. Due to velocity-selective optical pumping from one hyperfine fold of ground state to another via one-photon excitation in SROP or cascade two-photon excitation in DROP and decay processes thereafter, the atomic population variation of one hyperfine fold of ground state is indicated by SROP and DROP spectra by using of the transmission of the probe laser which is usually frequency locked to a cycling hyperfine transition. As a result, SROP and DROP spectra often have flat background and higher signal-to-noise ratio. Therefore, SROP and DROP spectra are very useful for measurement of the dressed-state splitting of ground state with an alkali atomic vapor cell, precise measurement of hyperfine splitting of alkali atomic excited states, frequency references for laser frequency stabilization, two-color MOT, and so on.
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Junmin Wang, Junmin Wang, Qiangbing Liang, Qiangbing Liang, Jing Gao, Jing Gao, Baodong Yang, Baodong Yang, Tiancai Zhang, Tiancai Zhang, Kunchi Peng, Kunchi Peng, } "SROP and DROP spectra with alkali atomic vapor cell and applications", Proc. SPIE 8072, Photon Counting Applications, Quantum Optics, and Quantum Information Transfer and Processing III, 80720W (6 May 2011); doi: 10.1117/12.886711; https://doi.org/10.1117/12.886711
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