1. National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China
2. Shanghai United Imaging Healthcare Co., Ltd., Shanghai 201807, China
3. Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China