School of Physics and Electronic-information Engineering Hubei Engineering University;
Wuhan National Laboratory for Optoelectronics (WNLO) Huazhong University of Science and Technology;
Wuhan National Laboratory for Optoelectronics (WNLO) Huazhong University of Science andTechnology;
laser-induced; breakdown; spectroscopy; optical; fiber; quantitative; analyses; minor; element;