Progress in Passive Submillimeter-wave Video Imaging

被引：11
作者：
Heinz, Erik [1 ]
May, Torsten [2 ]
Born, Detlef [2 ]
Zieger, Gabriel [2 ]
Peiselt, Katja [2 ]
Zakosarenko, Vyacheslav [1 ]
Krause, Torsten [1 ]
Krueger, Andre [1 ]
Schulz, Marco [1 ]
Bauer, Frank [2 ]
Meyer, Hans-Georg [2 ]
机构：
[1] Supracon AG, Lehmgrube 11, D-07751 Jena, Germany
[2] Leibniz Inst Photon Technol, Albert Einstein Str 9, D-07745 Jena, Germany
来源：
PASSIVE AND ACTIVE MILLIMETER-WAVE IMAGING XVII | 2014年 / 9078卷
关键词：
submillimeter-wave; THz; terahertz; camera; imaging; video; bolometer; TES;
D O I：
10.1117/12.2054481
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Since 2007 we are developing passive submillimeter-wave video cameras for personal security screening. In contradiction to established portal-based millimeter-wave scanning techniques, these are suitable for stand-off or stealth operation. The cameras operate in the 350GHz band and use arrays of superconducting transition-edge sensors (TES), reflector optics, and opto-mechanical scanners. Whereas the basic principle of these devices remains unchanged, there has been a continuous development of the technical details, as the detector array, the scanning scheme, and the readout, as well as system integration and performance. The latest prototype of this camera development features a linear array of 128 detectors and a linear scanner capable of 25Hz frame rate. Using different types of reflector optics, a field of view of 1x2m(2) and a spatial resolution of 1-2 cm is provided at object distances of about 5-25m. We present the concept of this camera and give details on system design and performance. Demonstration videos show its capability for hidden threat detection and illustrate possible application scenarios.
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页数：7
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