HIGH POWER, BROADBAND TERAHERTZ, PHOTOCONDUCTIVE ANTENNAS WITH CHAOTIC SHAPE ELECTRODES
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United States of America Patent
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Nov 3, 2015
Grant Date -
Nov 12, 2015
app pub date -
May 6, 2015
filing date -
May 6, 2014
priority date (Note) -
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Abstract
A photoconductive antenna is described that includes a substrate that includes a pair of trenches. Furthermore, a pair of non-parallel electrodes, which can be designed with a chaotic electrode geometry, can each be deposited in one of the trenches, and can be configured to produce chaotic trajectories of incoherent electric currents. Finally, an insulation layer, which can be either a physical electrical insulation layer or an air gap, can be included between each of the pair of non-parallel electrodes and the trench walls. Overall, the thickness of the substrate, the thickness of the trenches, and the thickness of the non-parallel electrodes can each be optimized to produce a coherent terahertz beam.
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