1. Department of Optical Engineering, Le Quy Don Technical University, 236 Hoang Quoc Viet Street, Tu Liem District, Hanoi, Vietnam
2. State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou 310027, P. R. China
3. Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam