Speaker
Y. Yu
(School of Nuclear Science and Technology)
Description
Abstract:In this article we present the design of a phase contrast imaging (PCI) system on the HL-2A tokamak. This diagnostic is developed to infer line integrated plasma density fluctuations by measuring the phase shift of an expanded CO2 laser beam passing through magnetically confined high temperature plasmas. This system is designed to diagnose plasma density fluctuations with the maximum wavenumber of 80.64 cm-1-1. The designed wavenumber resolution is 1.26 cm-1-1, and the time resolution is higher than 0.2 μs. The broad ranging from 0.13 to 16.128 makes it suitable for turbulence measurement.
Keywords:PCI, phase plate, phase shift, density fluctuations.
Co-authors
B.D. Yuan
(School of Nuclear Science and Technology, University of Science and Technology of China, ,Hefei, China, China;Southwestern Institute of Physics,, P. O. Box 432, 610041, Chengdu, China)
H.J. Wang
(School of Nuclear Science and Technology, University of Science and Technology of China, ,Hefei, China, China)
M. Xu
(Southwestern Institute of Physics,, P. O. Box 432, 610041, Chengdu, China)
M.Y. Ye
(School of Nuclear Science and Technology, University of Science and Technology of China, ,Hefei, China, China)
S.B. Gong
(School of Nuclear Science and Technology, University of Science and Technology of China, ,Hefei, China, China;Southwestern Institute of Physics,, P. O. Box 432, 610041, Chengdu, China)
T. Lan
(Department of Modern Physics, University of Science and Technology of China, Jinzhai Road 96#, 230026,Hefei, China)
Team HL-2A
(Southwestern Institute of Physics,, P. O. Box 432, 610041, Chengdu, China)
W. Jiang
(School of Nuclear Science and Technology, University of Science and Technology of China, ,Hefei, China, China)
W.L. Zhong
(Southwestern Institute of Physics,, P. O. Box 432, 610041, Chengdu, China)
X.R. Duan
(Southwestern Institute of Physics,, P. O. Box 432, 610041, Chengdu, China)
Y. Yu
(School of Nuclear Science and Technology, University of Science and Technology of China, ,Hefei, China, China)
Y.F. Wu
(School of Nuclear Science and Technology, University of Science and Technology of China, ,Hefei, China, China;Southwestern Institute of Physics,, P. O. Box 432, 610041, Chengdu, China)
Z.B. Shi
(Southwestern Institute of Physics,, P. O. Box 432, 610041, Chengdu, China)