Handheld THz security imaging

Irl N. Duling III

doi:10.1117/12.2224095

26 May 2016 Handheld THz security imaging

Irl N. Duling III

Proceedings Volume 9854, Image Sensing Technologies: Materials, Devices, Systems, and Applications III; 98540N (2016) https://doi.org/10.1117/12.2224095
Event: SPIE Commercial + Scientific Sensing and Imaging, 2016, Baltimore, MD, United States

Abstract

Terahertz energy, with its ability to penetrate clothing and non-conductive materials, has held much promise in the area of security scanning. Millimeter wave systems (300 GHz and below) have been widely deployed. These systems have used full two-dimensional surface imaging, and have resulted in privacy concerns. Pulsed terahertz imaging, can detect the presence of unwanted objects without the need for two-dimensional photographic imaging. With high-speed waveform acquisition it is possible to create handheld tools that can be used to locate anomalies under clothing or headgear looking exclusively at either single point waveforms or cross-sectional images which do not pose a privacy concern. Identification of the anomaly to classify it as a potential threat or a benign object is also possible.

Citation Download Citation

Irl N. Duling III "Handheld THz security imaging", Proc. SPIE 9854, Image Sensing Technologies: Materials, Devices, Systems, and Applications III, 98540N (26 May 2016); https://doi.org/10.1117/12.2224095

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KEYWORDS

Imaging systems

Terahertz radiation

Scanners

Inspection

Extremely high frequency

Head

Sensors

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