Affiliation: | [1]College of Precision Instrument and Opto-electronics Engineering, Institute of Laser and Opto-electronics, Tianjin University, Tianjin 300072, China; [2]Key Laboratory of Opto-electronics Information Technology, Tianjin University, Tianjin 300072, China; [3]Henan Key Laboratory of Laser and Opto-electric Information Technology, Zhenzhou 450052, China; [4]State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China |