25 March 2005 THz standoff detection and imaging of explosives and weapons
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The application of near-field interferometric imaging to the Terahertz frequency range for detection of concealed objects is discussed. A circular array architecture can be employed to compensate for near-field distortions and increase the field of view and depth of focus. The lateral and focusing errors of this imaging method are discussed as well as the trade-offs of interferometric imaging compared to a focal plane array architecture.
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John F. Federici, John F. Federici, Robert Barat, Robert Barat, Dale Gary, Dale Gary, David Zimdars, David Zimdars, "THz standoff detection and imaging of explosives and weapons", Proc. SPIE 5727, Terahertz and Gigahertz Electronics and Photonics IV, (25 March 2005); doi: 10.1117/12.590377; https://doi.org/10.1117/12.590377

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