| ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Measurement of the argon-gas-induced broadening and line shifting of the barium Rydberg level 6s24d 1D2 by two-photon resonant nondegenerate four-wave mixing |
| Sun Jiang(孙江)a)†, Xiong Zhi-Qiang(熊志强)a), Sun Juan(孙娟)b), Wang Ying(王颖)a), and Su Hong-Xin(苏红新)a) |
a. College of Physical Science and Technology, Hebei University, Baoding 071002, China;
b. College of Mathematics and Computer Science, Hebei University, Baoding 071002, China |
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Abstract We apply two-photon resonant nondegenerate four-wave mixing with a resonant intermediate state to the observation of the broadening and shifting of the barium Rydberg level 6s24d 1D2 by collision with argon. The collision broadening and shifting cross sections are measured. This technique is purely optical, and can investigate the pressure dependence of the transverse relaxation rate Γ21 between the Rydberg state and an intermediate state, as well as the transverse relaxation rate Γ20 between the Rydberg state and the ground state.
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Received: 11 January 2012
Revised: 09 February 2012
Accepted manuscript online:
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PACS:
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42.65.Hw
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(Phase conjugation; photorefractive and Kerr effects)
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32.80.Rm
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(Multiphoton ionization and excitation to highly excited states)
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32.70.Jz
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(Line shapes, widths, and shifts)
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| Fund: Project supported by the Young Scientists Fund of the National Natural Science Foundation of China (Grant No. 10804025), the Natural Science Foundation of Hebei Province, China (Grant No. A2009000147), and the Fundation for Photoelectronic Material Research Base of Natural Science Foundation of Hebei Province, China (Grant Nos. 08B006 and 08B008). |
Corresponding Authors:
Sun Jiang
E-mail: hdsunjiang@163.com
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Cite this article:
Sun Jiang(孙江), Xiong Zhi-Qiang(熊志强), Sun Juan(孙娟), Wang Ying(王颖), and Su Hong-Xin(苏红新) Measurement of the argon-gas-induced broadening and line shifting of the barium Rydberg level 6s24d 1D2 by two-photon resonant nondegenerate four-wave mixing 2012 Chin. Phys. B 21 064215
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