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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 31, Iss. 1 — Jan. 1, 2014
  • pp: 110–119

Controllable electrostatic surface storage ring with opened optical access for cold polar molecules on a chip

Shengqiang Li, Liang Xu, Lianzhong Deng, and Jianping Yin  »View Author Affiliations


JOSA B, Vol. 31, Issue 1, pp. 110-119 (2014)
http://dx.doi.org/10.1364/JOSAB.31.000110


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Abstract

In order to meet the demands for laser manipulations and detection of cold molecules, we propose an optically accessible and controllable electrostatic surface storage ring for cold polar molecules on a chip, which is one based on extension and application of the three-wire surface guiding scheme [J. Opt. Soc. Am. B 25, 1214 (2008)]. To our knowledge, this is the first real surface storage ring scheme. The spatial distribution of the electrostatic fields generated by two insulator-embedded charged rings and a grounded conductor plate is numerically calculated. Relationships between the height of the trap center above the surface and the setup parameters are analyzed in detail. Using OH radical molecules as a tester, the range of molecular velocities that the storage ring can confine is investigated. The dynamical process of weak-field-seeking OH molecules of state |J,KM=|3/2,9/4 being loaded into and confined in the storage ring is studied using Monte Carlo simulations. Dependencies of translational temperature of molecules and their trapping efficiency in the storage ring on parameters of the setup and the initial molecular beam are examined. By incorporating a bunching function into our scheme, the number of round trips a trapped molecular packet makes can be improved by almost three times before getting spread out to fill the whole storage ring, as confirmed by numerical simulations.

© 2013 Optical Society of America

OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(020.6580) Atomic and molecular physics : Stark effect

ToC Category:
Atomic and Molecular Physics

History
Original Manuscript: September 5, 2013
Revised Manuscript: November 9, 2013
Manuscript Accepted: November 14, 2013
Published: December 16, 2013

Citation
Shengqiang Li, Liang Xu, Lianzhong Deng, and Jianping Yin, "Controllable electrostatic surface storage ring with opened optical access for cold polar molecules on a chip," J. Opt. Soc. Am. B 31, 110-119 (2014)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-31-1-110

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