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Influence of parameter errors on the temperature measurement of cold atoms via short-distance time-of-flight absorption spectra

He Jun Wang Jing Qiu Ying Wang Yan-Hua Zhang Tian-Cai Wang Jun-Min

Influence of parameter errors on the temperature measurement of cold atoms via short-distance time-of-flight absorption spectra

He Jun, Wang Jing, Qiu Ying, Wang Yan-Hua, Zhang Tian-Cai, Wang Jun-Min
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  • Received Date:  22 January 2008
  • Accepted Date:  31 March 2008
  • Published Online:  20 October 2008

Influence of parameter errors on the temperature measurement of cold atoms via short-distance time-of-flight absorption spectra

  • 1. 山西大学光电研究所,量子光学与光量子器件国家重点实验室,太原 030006

Abstract: The basic model and the experimental measurement method of short-distance time-of-flight absorption spectra for determining the temperature of cold atoms are described. Based on the realization of temperature measurement of cold cesium atoms in a magneto-optical trap,the influences of measurement errors of the three experimental parameters,namely the falling distance h,the initial Gaussian radius σ0 of the cold cloud, and the Gaussian radius σp of probe beam, on the determination of temperature have been analyzed and compared.

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