1. Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, Anhui, P. R. China
2. Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Optoelectronic Technology, Hefei University of Technology, Hefei, Anhui, 230009, P. R. China
3. Instrumental Analysis Center, Hefei University of Technology, Hefei, Anhui, 230009, P. R. China