High-Performance Sodium Bose–Einstein Condensate Apparatus with a Hybrid Trap and Long-Distance Magnetic Transfer

doi:10.1088/0256-307X/32/12/123701

Chin. Phys. Lett.

2015, Vol. 32

Issue (12): 123701 DOI: 10.1088/0256-307X/32/12/123701

ATOMIC AND MOLECULAR PHYSICS

High-Performance Sodium Bose–Einstein Condensate Apparatus with a Hybrid Trap and Long-Distance Magnetic Transfer

ZHANG Feng, LONG Yun, YANG Jiang-Ling, MA Guo-Qiang, YIN Ji-Ping, WANG Ru-Quan^**

Institute of Physics, Chinese Academy of Sciences, Beijing 100190

Cite this article:

ZHANG Feng, LONG Yun, YANG Jiang-Ling et al 2015 Chin. Phys. Lett. 32 123701

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Abstract We report on the production of large sodium Bose–Einstein condensates in a hybrid of magnetic quadrupole and optical dipole trap. With an optimized spin-flip Zeeman slower, 2×10¹⁰ sodium atoms are captured in the magneto-optical trap (MOT). A long distance magnetic transfer setup moves the cold atom over 46 cm from the MOT chamber to the UHV science chamber, which provides great optical access and long conservative trap lifetime. After evaporative cooling in the hybrid trap, we produce nearly pure condensates of 1×10⁷ atoms with lifetime of 80 s in the optical dipole trap.

Received: 08 October 2015 Published: 05 January 2016

PACS:	37.10.De	(Atom cooling methods)
	37.10.Gh	(Atom traps and guides)
	67.85.Hj	(Bose-Einstein condensates in optical potentials)

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https://cpl.iphy.ac.cn/10.1088/0256-307X/32/12/123701 OR https://cpl.iphy.ac.cn/Y2015/V32/I12/123701

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	ZHANG Feng
	LONG Yun
	YANG Jiang-Ling
	MA Guo-Qiang
	YIN Ji-Ping
	WANG Ru-Quan

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