Excessive levitation for the efficient loading of large-volume optical dipole traps

Wang Xiaoqing¹, Li Yuqing^{1, 2, †}, Feng Guosheng¹, Wu Jizhou¹, Ma Jie^{1, 2}, Xiao Liantuan^{1, 2}, Jia Suotang^{1, 2}

(color online) Number of atoms loaded into the crossed ODT as a function of magnetic field gradient for the excessive levitation times of 1.0 ms (a), 2.0 ms (b), and 4.0 ms (c). The red lines are theoretical fitting curves.