Investigation of impurity transport using laser blow-off technique in the HL-2A Ohmic and ECRH plasmas
Zhang Kai†, 
, Cui Zheng-Ying, Sun Ping, Dong Chun-Feng, Deng Wei, Dong Yun-Bo, Song Shao-Dong, Jiang Min, Li Yong-Gao, Lu Ping, Yang Qing-Wei
, Cui Zheng-Ying, Sun Ping, Dong Chun-Feng, Deng Wei, Dong Yun-Bo, Song Shao-Dong, Jiang Min, Li Yong-Gao, Lu Ping, Yang Qing-Wei Exponential curves (dashed lines) fitting to central chord soft x-ray brightness (solid lines) in (a) Ohmic and (b) ECRH discharge.
