Terahertz interferometric and synthetic aperture imaging

Alexander M. Sinyukov, Aparajita Bandyopadhyay, Amartya Sengupta, Robert B. Barat, Dale E. Gary, Zoi Heleni Michalopoulou, David Zimdars, John F. Federici

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Experimental results of homodyne terahertz interferometric 1-D and 2-D imaging are presented. The reconstructed images of a point source are in a good agreement with theoretical predictions. The performance of an N element detector array is imitated by only one detector placed at N positions. Continuous waves at 0.25-0.3 THz are used to detect a metal object behind a barrier. 1-D images of a C-4 sample have been obtained at several terahertz frequencies. Focusing issues of 2-D imaging have been demonstrated. The terahertz interferometric imaging method can be used in defense and security applications to detect concealed weapons, explosives as well as chemical and biological agents.

Original languageEnglish (US)
Title of host publicationTerahertz Science And Technology For Military And Security Applications
PublisherWorld Scientific Publishing Co.
Pages239-251
Number of pages13
ISBN (Electronic)9789812771803
DOIs
StatePublished - Jan 1 2007
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Chemistry(all)

Keywords

  • Image
  • Interferometric
  • Near-field
  • Terahertz

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