8 September 2004 Terahertz active direct detection imagers
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We discuss several tradeoffs presented in the design of active imaging systems for the 100 to 1000 GHz frequency range, describe how we have addressed them in the design of a scanning, 95 GHz, bolometer-based imager for concealed weapons detection that is nearing completion, and describe how the system architecture can be modified to scale the operating frequency to the 650 GHz atmospheric window.
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Erich N. Grossman, Erich N. Grossman, Arttu Luukanen, Arttu Luukanen, Aaron J. Miller, Aaron J. Miller, } "Terahertz active direct detection imagers", Proc. SPIE 5411, Terahertz for Military and Security Applications II, (8 September 2004); doi: 10.1117/12.549135; https://doi.org/10.1117/12.549135

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