title: Note: Stability control of intermediate frequencies of a three laser far-infrared polarimeter-interferometer system.
abstract: Stability of the intermediate frequency (IF) in the far-infrared polarimeter-interferometer diagnostic system is critically important for the long pulse discharge experiments on the EAST tokamak. In this note, a real-time remote/local IF stability control system is described. The measured plasma parameters, including the Faraday rotation angle, electron density, lower hybrid wave, and plasma current, are obtained with the aid of this newly developed IF stability control system.
authors.affiliation: College of Mechanical Engineering, North China University of Science and Technology, Tangshan, Hebei 063009, People's Republic of China.
authors.forename: Jiang-Tao
authors.initials: JT
authors.lastname: Yu
authors.affiliation: Department of Engineering Physics, Tsinghua University, Beijing 100084, People's Republic of China.
authors.forename: He-Ping
authors.initials: HP
authors.lastname: Li
authors.affiliation: School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin, Heilongjiang 150001, People's Republic of China.
authors.forename: Qiu-Yue
authors.initials: QY
authors.lastname: Nie
authors.affiliation: Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui 230031, People's Republic of China.
authors.forename: Zhi-Yong
authors.initials: ZY
authors.lastname: Zou
authors.affiliation: Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui 230031, People's Republic of China.
authors.forename: Hai-Qing
authors.initials: HQ
authors.lastname: Liu
authors.affiliation: Department of Engineering Physics, Tsinghua University, Beijing 100084, People's Republic of China.
authors.forename: Cheng-Yu
authors.initials: CY
authors.lastname: Bao
authors.affiliation: Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui 230031, People's Republic of China.
authors.forename: Yin-Xian
authors.initials: YX
authors.lastname: Jie
authors.affiliation: College of Mechanical Engineering, North China University of Science and Technology, Tangshan, Hebei 063009, People's Republic of China.
authors.forename: Zhan-Xian
authors.initials: ZX
authors.lastname: Li