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Proceedings Paper

A passive millimeter-wave imaging system for concealed weapons and explosives detection
Author(s): Vladimir G. Kolinko; Shiow-Hwa Lin; Alex Shek; Will Manning; Chris Martin; Max Hall; Oskar Kirsten; Joshua Moore; David A. Wikner
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Paper Abstract

This paper describes a passive millimeter-wave image scanner that leverages technologies previously developed for a video-rate passive millimeter-wave camera (PMC) [1, 2]. The imager has a prime focus elliptical frequency scanned antenna operating in the 75-93 GHz millimeter-wave band, a low noise receiver and a vertical beam former that allows the instantaneous capture of 128 pixel (vertical) column images in 1/30th of a second, with 2-3 K sensitivity. Two dimensional images are created by mechanically rotating the antenna, which produces a 128x60 raster image in 2 seconds. By integrating (averaging) images over a longer time period, we have demonstrated a sub-degree temperature resolution. This sensor has proven itself as a low cost tool for studying the potential of W-band passive imaging for various applications.

Paper Details

Date Published: 19 May 2005
PDF: 8 pages
Proc. SPIE 5781, Optics and Photonics in Global Homeland Security, (19 May 2005); doi: 10.1117/12.606661
Show Author Affiliations
Vladimir G. Kolinko, Trex Enterprises Corp. (United States)
Shiow-Hwa Lin, Trex Enterprises Corp. (United States)
Alex Shek, Trex Enterprises Corp. (United States)
Will Manning, U.S. Army RDECOM CERDEC NVESD (United States)
Chris Martin, Trex Enterprises Corp. (United States)
Max Hall, Trex Enterprises Corp. (United States)
Oskar Kirsten, Trex Enterprises Corp. (United States)
Joshua Moore, U.S. Army RDECOM CERDEC NVESD (United States)
David A. Wikner, U.S Army Research Lab. (United States)

Published in SPIE Proceedings Vol. 5781:
Optics and Photonics in Global Homeland Security
Theodore T. Saito, Editor(s)

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