1Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, Anhui 230031, China
2University of Science and Technology of China, Hefei, Anhui 230026, China
3Anhui Province Key Laboratory of Optical Monitoring Technology for Environment, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China
4Institute of Advanced Manufacturing Engineering, Hefei University, Hefei, Anhui 230601, China