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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • 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)
http://dx.doi.org/10.1364/OL.20.001716


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Abstract

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

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

Citation
B. B. Hu and M. C. Nuss, "Imaging with terahertz waves," Opt. Lett. 20, 1716-1718 (1995)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-20-16-1716


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References

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  8. L. R. Rabbiner, B. H. Juang, Fundamentals of Speech Recognition (Prentice-Hall, Englewood Cliffs, N.J., 1994).
  9. D. Kopf, K. J. Weingarten, L. R. Brovelli, M. Kamp, U. Keller, Opt. Lett. 19, 2143 (1994)S. Tsuda, W. H. Knox, E. A. de Souza, W. Y. Jan, J. E. Cunningham, Opt. Lett. 20, 1406 (1995). [CrossRef] [PubMed]

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