Zhang Hanyi, Wang Kejia, Zhang Yuli, Ye Xi, Liu Jinsong, Yang Zhengang, Wang Shenglie. Terahertz Cylindrical Lenses Based on Three-Dimensional Printing Technique[J]. Laser & Optoelectronics Progress, 2018, 55(1): 11415
- Laser & Optoelectronics Progress
- Vol. 55, Issue 1, 11415 (2018)
Fig. 1. (a) Effect of cylindrical lens on incident parallel light; (b) light path at principal section
Fig. 2. Simulation results for cylindrical lens converging parallel light. Two-dimensional light field intensity distributions in (a) ABCD and (b) PP'Q'Q planes; light field intensity along y-direction in (c) ABCD and (d) PP'Q'Q planes
Fig. 3. (a) Cylindrical lens model; (b) 3D printed cylindrical lens; (c) commercial cylindrical lens
Fig. 4. Light field intensity distributions at five different positions near focal point measured by experiment. (a) 3D printed cylindrical lens; (b) commercial lens
Fig. 5. (a) Full widths at half maximum and (b) maximum cross-sectional light intensities of two kinds of cylindrical lenses along x direction under different propagation distances
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