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16 February 2009 3D FDTD simulation of spatiotemporal shaping and filtering of terahertz pulses through metal slits with finite thickness
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Abstract
The characteristics of spatiotemporal shaping and filtering of terahertz (THz) pulses passing through metal slits with finite thickness have been investigated by employing the finite-difference time-domain (FDTD) method. It is shown that this diffraction-based quasi-optical technique has a good influence on shaping and filtering of TEM-polarized THz pulses for thick-slits, while no effect for thin-slits. Furthermore, the numerical simulation results can be employed in the relevant experiments.
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Hai-Liang Liu, Tong-Yi Zhang, and Wen-Hui Fan "3D FDTD simulation of spatiotemporal shaping and filtering of terahertz pulses through metal slits with finite thickness", Proc. SPIE 7277, Photonics and Optoelectronics Meetings (POEM) 2008: Terahertz Science and Technology, 72770U (16 February 2009); https://doi.org/10.1117/12.822575
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