1. Key Lab of Advanced Transducers and Intelligent Control System
2. Ministry of Education and Shanxi Province
3. College of Physics and Optoelectronics
4. Taiyuan University of Technology
5. Taiyuan 030024
6. Shenzhen Key Laboratory of Laser Engineering
7. College of Optoelectronic Engineering
8. Shenzhen University
9. Shenzhen 518060
10. P. R. China