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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 4 — Feb. 24, 2014
  • pp: 3754–3760

Accurate determination of the rotational constants of ultracold molecules using double photoassociation spectroscopy

Jie Ma, Yuqing Li, Wenliang Liu, Peng Chen, Guosheng Feng, Chenyang Hu, Jizhou Wu, Liantuan Xiao, and Suotang Jia  »View Author Affiliations


Optics Express, Vol. 22, Issue 4, pp. 3754-3760 (2014)
http://dx.doi.org/10.1364/OE.22.003754


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Abstract

We report on an accurate determination of the rotational constants of the ultracold long-range Cesium molecules in near dissociation domain. The scheme relies on a precise reference of the frequency difference in a double photoassociation spectroscopy induced by two laser beams based on an acoustic-optical modulator. The rotational constants are obtained by fitting a non-rigid rotor model into the frequency intervals of the neighboring rotational levels deduced from the reference.

© 2014 Optical Society of America

OCIS Codes
(120.7280) Instrumentation, measurement, and metrology : Vibration analysis
(140.3320) Lasers and laser optics : Laser cooling
(230.1040) Optical devices : Acousto-optical devices
(300.6320) Spectroscopy : Spectroscopy, high-resolution
(300.6390) Spectroscopy : Spectroscopy, molecular

ToC Category:
Spectroscopy

History
Original Manuscript: December 11, 2013
Revised Manuscript: January 20, 2014
Manuscript Accepted: January 31, 2014
Published: February 10, 2014

Citation
Jie Ma, Yuqing Li, Wenliang Liu, Peng Chen, Guosheng Feng, Chenyang Hu, Jizhou Wu, Liantuan Xiao, and Suotang Jia, "Accurate determination of the rotational constants of ultracold molecules using double photoassociation spectroscopy," Opt. Express 22, 3754-3760 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-4-3754


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References

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