[1] Shandong Univ Technol, Ctr Adv Laser Mfg CALM, Zibo 255000, Peoples R China
[2] Ningbo Univ, Lab Infrared Mat & Devices, Ningbo 315211, Zhejiang, Peoples R China
[3] Univ Calif Berkeley, Dept Mech Engn, Laser Thermal Lab, Berkeley, CA 94720 USA
[4] Xiamen Univ, Dept Phys, Xiamen 361005, Fujian, Peoples R China