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19 May 2006 Terahertz interferometric and synthetic aperture imaging
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Experimental results of homodyne terahertz interferometric 1-D and 2-D imaging are presented. Continuous waves at 0.25-0.3 THz are used to detect a metal object behind a barrier. The performance of an N element detector array is imitated by only one detector placed at N positions. The reconstructed images are in a good agreement with theoretical predictions. The terahertz interferometric imaging method can be used in defense and security applications to detect concealed weapons, explosives as well as chemical and biological agents.
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Alexander M. Sinyukov, Aparajita Bandyopadhyay, Amartya Sengupta, Robert B. Barat, Dale E. Gary, Zoi-Heleni Michalopoulou, David Zimdars, and John F. Federici "Terahertz interferometric and synthetic aperture imaging", Proc. SPIE 6212, Terahertz for Military and Security Applications IV, 62120Z (19 May 2006);

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