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Real-Time Two-Dimensional Spatiotemporal Terahertz Imaging Based on Noncollinear Free-Space Electrooptic Sampling and Application to Functional Terahertz Imaging of Moving Object

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T. Yasui, M. Jewariya, T. Yasuda, M. Schirmer, T. Araki, E. Abraham

Original languageEnglish
Article number8600110
Pages (from-to)N/A
Number of pages10
JournalIEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
Volume19
Issue number1
DOIs
StatePublished - 1 Jan 2013

King's Authors

Abstract

We review 2-D spatiotemporal (2D-ST) terahertz (THz) imaging based on noncollinear free-space electrooptic sampling and its application to THz reflection tomography, THz spectral imaging, and THz spectral computed tomography (CT). 2D-ST THz imaging enables high-speed image acquisition at much higher rates than previously. Two-dimensional THz reflection tomography was effective for visualizing the internal structure of a moving paint film. A THz color scanner demonstrated the potential of rapid nondestructive inspection of moving pharmaceutical tablets. A THz spectral CT system using real-time line projection of a THz beam was effectively applied to a continuously rotating object. 2D-ST THz imaging enables functional THz imaging of moving objects in various practical applications.

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