13 May 2015 Optical simulation of terahertz antenna using finite difference time domain method
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Abstract
Collaboration between Exelis Geospatial Systems with University of Rochester and Rochester Institute of Technology aims to develop an active THz imaging focal plane array utilizing 0.35um CMOS MOSFET technique. An appropriate antenna is needed to couple incident THz radiation to the detector which is much smaller than the wavelength of interest. This paper simply summarizes our work on modeling the optical characteristics of bowtie antennae to optimize the design for detection of radiation centered on the atmospheric window at 215GHz. The simulations make use of the finite difference time domain method, calculating the transmission/absorption responses of the antenna-coupled detector.
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Chao Zhang, Zoran Ninkov, Greg Fertig, Robert Kremens, Andrew Sacco, Daniel Newman, Kenneth Fourspring, Paul Lee, Zeljko Ignjatovic, Judy Pipher, Craig McMurtry, Jagannath Dayalu, "Optical simulation of terahertz antenna using finite difference time domain method", Proc. SPIE 9483, Terahertz Physics, Devices, and Systems IX: Advanced Applications in Industry and Defense, 94830D (13 May 2015); doi: 10.1117/12.2179211; https://doi.org/10.1117/12.2179211
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