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学术报告(20171229)Atom interferometry and its use for quantum measurements
发布时间:2017-12-29

报告题目: Atom interferometry and its use for quantum measurements
报告人: 吴学健
报告人单位: University of California Berkeley
报告时间: 2017年12月29日下午14:30
报告地点: 引力中心三楼会议室
报告摘要:  
  Matter-wave interferometry is among the most advanced technologies for precision measurements. Light-pulse atom interferometry uses the recoil momentum from photon-atom interactions to coherently split and recombine matter waves. It has been used for measuring gravity, the gravity gradient, rotation, fundamental constants, and for testing fundamental laws of physics in well-controlled laboratories. New applications, such as geodesy, geology, or inertial navigation, are foreseeable with robust, mobile, and versatile quantum sensors. In this talk, I will present atom interferometers for measuring the fine structure constant, constraining on dark energy, and sensing inertial forces. Particularly, I will elaborate a multiaxis atom interferometer toward deployable quantum sensors for field applications.
报告人简介:  
  Dr. Xuejian Wu is a Postdoc Fellow in Physics Department at UC Berkeley. He received his PhD in the Department of Precision Instruments at Tsinghua University in 2015, where he worked on laser interferometry for measuring the absolute diameter of a silicon sphere to determine the Avogadro constant. Since January 2015, Dr. Wu has worked on a transportable gravimeter based on atom interferometry.

 

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