[1] Shenzhen Univ, Coll Phys & Optoelect Engn, Shenzhen 518060, Peoples R China
[2] Shenzhen Univ, Coll Phys & Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China
[3] Shenzhen Univ, Adv Energy Res Ctr, Shenzhen 518060, Peoples R China
[4] Chinese Acad Sci, Inst Plasma Phys, POB 1126, Hefei 230031, Anhui, Peoples R China
[5] Lappeenranta Univ Technol, Skinnarilankatu 34, Lappeenranta 53850, Finland
[6] Anhui Prov Key Lab Special Welding, Hefei 230031, Anhui, Peoples R China