System level challenges of THz and mm-wave imaging systems

Adrian Tang

doi:10.1117/12.2216567

25 May 2016 System level challenges of THz and mm-wave imaging systems

Adrian Tang

Proceedings Volume 9836, Micro- and Nanotechnology Sensors, Systems, and Applications VIII; 98362R (2016) https://doi.org/10.1117/12.2216567
Event: SPIE Defense + Security, 2016, Baltimore, MD, United States

Abstract

While THz and mm-wave imaging systems provide an interesting avenue for stand-off detection of concealed weapons and other threats without the need for ionizing radiation, there are many physical and technical obstacles which still prevent these systems from becoming commercially practical. This paper introduces the major issues for active and passive imaging including background masking, specular responses, and thermal equalization. Secondly, the paper discusses the prospects of radar imaging, and tradeoffs between system parameters such as transmit power, receiver sensitivity and phase noise, and how these parameters affect corresponding physical behavior including aperture size, resolution, penetration, and stand-off distance.

Citation Download Citation

Adrian Tang "System level challenges of THz and mm-wave imaging systems", Proc. SPIE 9836, Micro- and Nanotechnology Sensors, Systems, and Applications VIII, 98362R (25 May 2016); https://doi.org/10.1117/12.2216567

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