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Proceedings Paper

Terahertz real-time imaging for nondestructive detection
Author(s): LiangLiang Zhang; Nick Karpowicz; CunLin Zhang; YueJin Zhao
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Paper Abstract

We present a real time imaging measurement in the terahertz (THz) frequency region. The dynamic subtraction technique is used to reduce long-term optical background drift. The reflective images of two targets, a Nikon camera's lens cap and a plastic toy gun, are obtained. For the lens cap, the image data were processed to be false color images. For the toy gun, we show that even under an optically opaque canvas bag, a clear terahertz image is obtained. It is shown that terahertz real time imaging can be used to nondestructively detect concealed objects.

Paper Details

Date Published: 4 January 2008
PDF: 4 pages
Proc. SPIE 6840, Terahertz Photonics, 68400Y (4 January 2008); doi: 10.1117/12.759826
Show Author Affiliations
LiangLiang Zhang, Beijing Institute of Technology (China)
Capital Normal Univ. (China)
Nick Karpowicz, Rensselaer Polytechnic Institute (United States)
CunLin Zhang, Capital Normal Univ. (China)
YueJin Zhao, Beijing Institute of Technology (China)

Published in SPIE Proceedings Vol. 6840:
Terahertz Photonics
Cunlin Zhang; Xi-Cheng Zhang, Editor(s)

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