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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 22, Iss. 2 — Feb. 1, 2005
  • pp: 311–314

Time averaging of multimode optical fiber output for a magneto-optical trap

Alexander P. Povilus, Spencer E. Olson, Rahul R. Mhaskar, Boon-Keng Teo, Jeffrey R. Guest, and Georg Raithel  »View Author Affiliations


JOSA B, Vol. 22, Issue 2, pp. 311-314 (2005)
http://dx.doi.org/10.1364/JOSAB.22.000311


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Abstract

We demonstrate a method for increasing the amount of power available for laser cooling applications by using a multimode optical fiber. Through randomization of phase shifts of modes within the fiber on time scales faster than the center-of-mass response time of the atoms, a smooth time-averaged trapping beam is generated. The principle has been demonstrated in a pyramidal magneto-optical trap. The method is particularly suitable for the harnessing of the high output power of broad-area diode lasers for laser cooling.

© 2005 Optical Society of America

OCIS Codes
(020.7010) Atomic and molecular physics : Laser trapping
(030.6140) Coherence and statistical optics : Speckle

Citation
Alexander P. Povilus, Spencer E. Olson, Rahul R. Mhaskar, Boon-Keng Teo, Jeffrey R. Guest, and Georg Raithel, "Time averaging of multimode optical fiber output for a magneto-optical trap," J. Opt. Soc. Am. B 22, 311-314 (2005)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-22-2-311


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References

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