1. Hebei Key Laboratory of Optic-electronic Information and Materials, National-Local Joint Engineering Laboratory of New Energy Photoelectric Devices, College of Physics Science and Technology, Hebei University, Baoding 071002, China
2. Changzhou Bitai Technology Co., Ltd., Changzhou 213100, China
3. Hebei Key Laboratory of Digital Medical Engineering, College of Electronic Information Engineering, Hebei University, Baoding 071002, China