Chinese Journal of Lasers, Volume. 46, Issue 1, 114001(2019)
Interference of Near-Field Terahertz Vortex Beams
Figures & Tables(5)
Fig. 1. Structural diagram of designed device. (a) Archimedes spiral structure; (b) structural parameters
Fig. 2. Energy distribution of vortex beams calculated by MATLAB software. (a) Interference between J+1 and J-1; (b) interference between J+2 and J-2; (c) interference between J+2 and J0 ; (d) interference between J+3 and J-1
Fig. 3. Phase distributions calculated by MATLAB software. (a) Interference between J+1 and J-1; (b) interference between J+2 and J-2; (c) interference between J+2 and J0 ; (d) interference between J+3 and J-1
Fig. 4. Energy distributions calculated by CST software. (a) Interference between J+1 and J-1; (b) interference between J+2 and J-2; (c) interference between J+2 and J0; (d) interference between J+3 and J-1
Fig. 5. Far-field energy distributions calculated by CST software for interference between J+1 and J-1. (a) YZ plane; (b) XY plane 200 μm from sample surface; (c) XY plane 2000 μm from sample surface
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Mao Chenxi, Zang Xiaofei, Zhu Yiming. Interference of Near-Field Terahertz Vortex Beams[J]. Chinese Journal of Lasers, 2019, 46(1): 114001
Paper Information
Category: terahertz technology
Received: Jun. 22, 2018
Accepted: --
Published Online: Jan. 27, 2019
The Author Email: Xiaofei Zang (xfzang@usst.edu.cn)
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