1. Shanghai Key Laboratory of Modern Optical System, Engineering Research Center of Optical Instrument and System Ministry of Education, University of Shanghai for Science and Technology, Shanghai 200093, China
2. The Institute of Optics, University of Rochester, Rochester, New York 14627, USA
3. Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
4. Department of Physics & Astronomy, Middle Tennessee State University, Murfreesboro, Tennessee 37132, USA