Combined terahertz imaging system for enhanced imaging quality

  • Irina N. DolganovaEmail author
  • Kirill I. Zaytsev
  • Anna A. Metelkina
  • Egor V. Yakovlev
  • Valeriy E. Karasik
  • Stanislav O. Yurchenko
Part of the following topical collections:
  1. Laser Technologies and Laser Applications


An improved terahertz (THz) imaging system is proposed for enhancing image quality. Imaging scheme includes THz source and detection system operated in active mode as well as in passive one. In order to homogeneously illuminate the object plane the THz reshaper is proposed. The form and internal structure of the reshaper were studied by the numerical simulation. Using different test-objects we compare imaging quality in active and passive THz imaging modes. Imaging contrast and modulation transfer functions in active and passive imaging modes show drawbacks of them in high and low spatial frequencies, respectively. The experimental results confirm the benefit of combining both imaging modes into hybrid one. The proposed algorithm of making hybrid THz image is an effective approach of retrieving maximum information about the remote object.


Terahertz technology Imaging system Continuous-wave imaging Remote imaging 



This work is supported by the Russian Scientific Foundation, Project \(\#\) 14-19-01083.


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Irina N. Dolganova
    • 1
    Email author
  • Kirill I. Zaytsev
    • 1
  • Anna A. Metelkina
    • 1
  • Egor V. Yakovlev
    • 1
  • Valeriy E. Karasik
    • 1
  • Stanislav O. Yurchenko
    • 1
  1. 1.Bauman Moscow State Technical UniversityMoscowRussia

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