300 GHz imaging with 8 meter stand-off distance and one-dimensional synthetic image reconstruction

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2011

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An active system for stand-off imaging operating in a frequency range from 234 GHz to 306 GHz is presented. Imaging is achieved by combining a line array consisting of 8 emitters and 16 detectors with a scanning cylindrical mirror system. A stand-off distance of 7-8 m is achieved using a system of mirrors with effective aperture of 0.5 × 0.5 meter. Information about range and reflectivity of the object are obtained using an active FMCW (frequency modulated continuous wave) radar operation principle. Data acquisition time for one line is as short as 1 ms. Synthetic image reconstruction is achieved in real-time by an embedded GPU (Graphical Processing Unit).
Original languageEnglish
Title of host publicationProceedings of SPIE : The International Society for Optical Engineering
EditorsDavid A. Wikner, Arttu R. Luukanen
Volume8022
PublisherSPIE - International Society for Optical Engineering
Publication date2011
ISBN (print)9780819485960
DOIs
StatePublished

Conference

ConferencePassive Millimeter-Wave Imaging Technology XIV
CityOrlando, Florida, USA
Period01/01/11 → …
CitationsWeb of Science® Times Cited: 0

Keywords

  • Synthetic-aperture imaging, FMCW, Millimeter-wave imaging, Body scanner
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