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Cold Atom Cloud with High Optical Depth Measured with Large Duty Cycle
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作者 张骏 顾振杰 +2 位作者 钱鹏 韩枝光 陈洁菲 《Chinese Physics Letters》 SCIE CAS CSCD 2015年第6期96-99,共4页
We present a cold atom system with a dark-line two-dimensional magneto-optical trap, to increase the atomic density by suppressing the atomic radiation pressure. Optical depth (OD) and duty cycle are used to evaluat... We present a cold atom system with a dark-line two-dimensional magneto-optical trap, to increase the atomic density by suppressing the atomic radiation pressure. Optical depth (OD) and duty cycle are used to evaluate the system performance. We demonstrate a 100% increase in OD with the dark line, and obtain an ultrahigh OD of 264 with 10% for the duty cycle. Also, with an efficient dark line region, the OD could maintain above i00 with duty cycle as high as 30%. The cold atomic ensemble with an ultrahigh OD with a 10%-30% duty cycle is particularly advantageous in quantum i^formation processing and communication. 展开更多
关键词 Cold Atom Cloud with High Optical depth Measured with Large Duty cycle MOT OD
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