10.1364/OE.21.020230.m002 Jingwen He Jingwen He Xinke Wang Xinke Wang Dan Hu Dan Hu Jiasheng Ye Jiasheng Ye Shengfei Feng Shengfei Feng Qiang Kan Qiang Kan Yan Zhang Yan Zhang Media 2: Generation and evolution of the terahertz vortex beam Optica Publishing Group 2013 evolution Generation media oe Optics Express 26 August 2013 terahertz vortex beam 2013-08-26 00:00:00 Media https://opticapublishing.figshare.com/articles/media/Media_2_Generation_and_evolution_of_the_terahertz_vortex_beam/4945886 Originally published in Optics Express on 26 August 2013 (oe-21-17-20230)