3D FDTD simulation of spatiotemporal shaping and filtering of terahertz pulses through metal slits with finite thickness

Hai-Liang Liu; Tong-Yi Zhang; Wen-Hui Fan

doi:10.1117/12.822575

16 February 2009 3D FDTD simulation of spatiotemporal shaping and filtering of terahertz pulses through metal slits with finite thickness

Hai-Liang Liu, Tong-Yi Zhang, Wen-Hui Fan

Author Affiliations +

Proceedings Volume 7277, Photonics and Optoelectronics Meetings (POEM) 2008: Terahertz Science and Technology; 72770U (2009) https://doi.org/10.1117/12.822575
Event: Photonics and Optoelectronics Meetings, 2008, Wuhan, China

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.

Citation Download Citation

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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