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Photoconductive antennas have been widely used to generate and detect THz waves in recent years. Because the thickness of the substrate is usually larger than the wavelength of THz waves, surface/substrate modes may be generated and the effect of the substrate cannot be ignored - this has not been properly investigated. This paper is therefore to investigate this problem using a numerical simulation...
Terahertz (THz) wave has attracted a lot of attention in recent years because of its huge potential applications. The most widely used structure for THz generation and detection is photoconductive dipole antenna which has an omni-directional radiation pattern, so how to generate THz wave efficiently in a desired direction is still a problem to be resolved. This paper introduces a new type of photoconductive...
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