Passive Submillimeter-wave Stand-off Video Camera for Security Applications

  • Erik Heinz
  • Torsten May
  • Detlef Born
  • Gabriel Zieger
  • Solveig Anders
  • Günter Thorwirth
  • Viatcheslav Zakosarenko
  • Marco Schubert
  • Torsten Krause
  • Michael Starkloff
  • André Krüger
  • Marco Schulz
  • Frank Bauer
  • Hans-Georg Meyer
Article

Abstract

We present the concept and experimental set-up of a passive submillimeter-wave stand-off imaging system for security applications. Our ambition is the design of an application-ready and user-friendly camera providing high sensitivity and high spatial resolution at video frame rates. As an intermediate step towards this goal, the current prototype already achieves a frame rate of 10 frames per second and a spatial resolution below 2 cm at 8 m distance. The camera is the result of a continuous development and a unique concept that yielded first high-resolution passive submillimeter-wave images provided by cryogenic sensors in May et al. (2007). It is based on an array of 20 superconducting transition-edge sensors operated at a temperature of 450 mK, a closed-cycle cooling system, a Cassegrain-type optics with a 50 cm main mirror, and an opto-mechanical scanner. Its outstanding features are the scanning solution allowing for high frame rates and the compact and integrated system design.

Keywords

THz Submillimeter-wave Imaging Camera Bolometer TES 

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Erik Heinz
    • 1
  • Torsten May
    • 1
  • Detlef Born
    • 1
  • Gabriel Zieger
    • 1
  • Solveig Anders
    • 1
  • Günter Thorwirth
    • 1
  • Viatcheslav Zakosarenko
    • 1
  • Marco Schubert
    • 2
  • Torsten Krause
    • 1
  • Michael Starkloff
    • 2
  • André Krüger
    • 1
  • Marco Schulz
    • 1
  • Frank Bauer
    • 1
  • Hans-Georg Meyer
    • 1
  1. 1.Institute of Photonic TechnologyJenaGermany
  2. 2.Supracon AGJenaGermany

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