Comparison between pulsed terahertz time-domain imaging and continuous wave terahertz imaging

Nicholas Karpowicz, Hua Zhong, Jingzhou Xu, Kuang-I Lin, Jenn Shyong Hwang, X. C. Zhang

Research output: Contribution to journalArticlepeer-review

153 Citations (Scopus)

Abstract

We report an evaluation of pulsed terahertz (THz) time-domain measurement and continuous wave (CW) terahertz measurement for non-destructive testing applications. The strengths and limitations of the modalities are explored via the example of the detection of defects in space shuttle foam insulation. It is decided that CW imaging allows for a more compact and simple system, while pulsed measurements yield a broader range of information.

Original languageEnglish
JournalSemiconductor Science and Technology
Volume20
Issue number7
DOIs
Publication statusPublished - 2005 Jul 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry

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