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Optics Letters

Optics Letters


  • Vol. 20, Iss. 16 — Aug. 15, 1995
  • pp: 1716–1718

Imaging with terahertz waves

B. B. Hu and M. C. Nuss  »View Author Affiliations

Optics Letters, Vol. 20, Issue 16, pp. 1716-1718 (1995)

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We present what is to our knowledge the first imaging system based on optoelectronic terahertz time-domain spectroscopy. Terahertz time-domain waveforms are downconverted from the terahertz to the kilohertz frequency range, and the waveform for each pixel is frequency analyzed in real time with a digital signal processor to extract compositional information at that point. We demonstrate applications to package inspection and chemical content mapping in biological objects.

© 1995 Optical Society of America

Original Manuscript: May 11, 1995
Published: August 15, 1995

B. B. Hu and M. C. Nuss, "Imaging with terahertz waves," Opt. Lett. 20, 1716-1718 (1995)

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Fig. 1 Plate I Plate II

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