लेखक: Tiegen Liu

Tiegen Liu, Ph D, is Professor in the School of Precision Instrument and Opto-Electronics Engineering at Tianjin University, China. Junfeng Jiang, Ph D, is Professor in the School of Precision Instrument and Opto-Electronics Engineering at Tianjin University, China. Kun Liu, Ph D, is Associate Professor in the School of Precision Instrument and Opto-Electronics Engineering at Tianjin University, China. Shuang Wang, Ph D, is Assistant Professor in the School of Precision Instrument and Opto-Electronics Engineering at Tianjin University, China