Terahertz multistatic reflection imaging

Timothy D. Dorney, William W. Symes, Richard G. Baraniuk, Daniel M. Mittleman

Research output: Contribution to journalArticle

33 Scopus citations

Abstract

We describe a new imaging method using single-cycle pulses of terahertz (THz) radiation. This technique emulates the data collection and image processing procedures developed for geophysical prospecting and is made possible by the availability of fiber-coupled THz receiver antennas. We use a migration procedure to solve the inverse problem; this permits us to reconstruct the location, the shape, and the refractive index of targets. We show examples for both metallic and dielectric model targets, and we perform velocity analysis on dielectric targets to estimate the refractive indices of imaged components. These results broaden the capabilities of THz imaging systems and also demonstrate the viability of the THz system as a test bed for the exploration of new seismic processing methods.

Original languageEnglish (US)
Pages (from-to)1432-1442
Number of pages11
JournalJournal of the Optical Society of America A: Optics and Image Science, and Vision
Volume19
Issue number7
DOIs
StatePublished - Jul 2002

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Computer Vision and Pattern Recognition

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