Stand-off passive THz imaging at 8-meter stand-off distance: results from a 64-channel real-time imager

Arttu Luukanen; Panu Helistö; Petteri Lappalainen; Mikko Leivo; Anssi Rautiainen; Hans Toivanen; Heikki Seppä; Zach Taylor; Charles R. Dietlein; Erich N. Grossman

doi:10.1117/12.821996

29 April 2009 Stand-off passive THz imaging at 8-meter stand-off distance: results from a 64-channel real-time imager

Arttu Luukanen, Panu Helistö, Petteri Lappalainen, Mikko Leivo, Anssi Rautiainen, Hans Toivanen, Heikki Seppä, Zach Taylor, Charles R. Dietlein, Erich N. Grossman

Author Affiliations +

Proceedings Volume 7309, Passive Millimeter-Wave Imaging Technology XII; 73090F (2009) https://doi.org/10.1117/12.821996
Event: SPIE Defense, Security, and Sensing, 2009, Orlando, Florida, United States

Abstract

At present, the imaging of concealed weapons and contraband is primarily carried out at a relatively short stand-off range of a few meters mainly because of spatial resolution considerations. In order to maintain a reasonable aperture size, there is a desire to extend the operating frequency towards 1 THz. In this paper we report the progress on a video-rate THz camera demonstrator which utilizes broadband antenna-coupled microbolometers as detectors, operated within a turnkey commercial closed-cycle cryocooler. A full system has been integrated consisting of 64 parallel sensors and readout electronics, and reflective Schmidt camera optics incorporating a conical scanner for real time imaging.

Citation Download Citation

Arttu Luukanen, Panu Helistö, Petteri Lappalainen, Mikko Leivo, Anssi Rautiainen, Hans Toivanen, Heikki Seppä, Zach Taylor, Charles R. Dietlein, and Erich N. Grossman "Stand-off passive THz imaging at 8-meter stand-off distance: results from a 64-channel real-time imager", Proc. SPIE 7309, Passive Millimeter-Wave Imaging Technology XII, 73090F (29 April 2009); https://doi.org/10.1117/12.821996

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