Open Access2D array of surface optical micro-traps by evanescent wave interference
Author(s) -
Zhengling Wang,
Cao Guo-rong,
Jianping Yin
Publication year - 2008
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.57.6233
Subject(s) - physics , trapping , interference (communication) , evanescent wave , trap (plumbing) , optical tweezers , optics , atomic physics , quantum optics , surface (topology) , optoelectronics , materials science , channel (broadcasting) , ecology , geometry , mathematics , meteorology , electrical engineering , biology , engineering
We propose a novel scheme to form a 2D surface array of optical micro-traps of cold atoms by using two sets of far red-detuned evanescent wave interference and a blue-detuned evanescent wave. The optical potentials of the 2D surface array of optical micro-traps are high enough to trap cold atoms released from the standard magneto-optical trapand 87Rb atoms trapped in the array of optical micro-traps can be cooled to 2.56μK with efficient intensity-gradient Sisyphus cooling. Our study shows that the proposed 2D surface array of optical micro-traps can be used in atomic physicsatomic optics, quantum optics and so on.