Wang Chen, An Hong-Hai, Wang Wei, Fang Zhi-Heng, Jia Guo, Meng Xiang-Fu, Sun Jin-Ren, Liu Zheng-Kun, Fu Shao-Jun, Qiao Xiu-Mei, Zheng Wu-Di, Wang Shi-Ji. Diagnoses of Au plasma with soft X-ray double frequency grating interference techniqueJ. Acta Physica Sinica, 2014, 63(12): 125210. DOI: 10.7498/aps.63.125210