[1] Department of Physics, Liaoning University, Shenyang 110036, China
[2] Shenyang Key Laboratory of Photoelectronic Devices and Detection Technology, Shenyang 110036, China
[3] Research and Development Center for Optical Thin Film Coatings, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, P.O. Box 800-211, Shanghai 201800, China