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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