[1] YUE Yang, ZHANG Lin, YAN Yan, et al. Octave-spanning supercontinuum generation of vortices in an As2S3 ring photonic crystal fiber[J]. Optics Letters, 2012,37(11):1889-1891.
[2] MA Tian,MARKOV A,WANG Lili,et al. Graded index porous optical fibers-dispersion management in terahertz range[J]. Optics Express, 2015,23(6):7856-7869.
[7] NIELSEN K,RASMUSSEN H K,ADAM A J L,et al. Bendable,low-loss TOPAS fibers for the terahertz frequency range[J]. Optics Express, 2009,17(10):8592-8601.
[8] LU Jayu,YU Chinping,CHANG Hungchung,et al. Terahertz air-core microstructure fiber[J]. Applied Physics Letters, 2008,92
[9] LI Haisu, REN Guobin, ZHU Bofeng, et al. Guiding terahertz orbital angular momentum beams in multimode Kagome hollow- core fibers[J]. Optics Letters, 2017,42(2):179-182.
[10] STEFANI A, FLEMING S C, KUHLMEY B T. Terahertz orbital angular momentum modes with flexible twisted hollow core antiresonant fiber[J]. APL Photonics, 2017,3(5):051708.