Precision measurement of electrical charge with optomechanically induced transparency
Precision measurement of electrical charge with optomechanically induced transparency
复制标题
利用光机械感应透明性精确测量电荷
DOI:
10.1103/physreva.86.053806
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发表时间:
2012-08
影响因子:
2.9
通讯作者:
Xu, Yi
中科院分区:
文献类型:
--
作者:
Zhang, Jian-Qi;Li, Yong;Feng, Mang;Xu, Yi
We propose a potentially practical scheme to precisely measure the charge number of small charged objects by using optomechanically induced transparency (OMIT) in optomechanical systems. In contrast to conventional measurements based on noise backaction on optomechanical systems, our scheme presents an alternative way to detect the charge number exactly, by monitoring small deformation of the mechanical resonator sensitive to the charge number of nearby charged object. The relationship between the charge number and the OMIT window width is investigated and the feasibility of the scheme is justified by numerical simulation with currently available experimental values.
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