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Terahertz spectroscopy

Signatures and fingerprints

Nature Photonics volume 2, pages 541–543 (2008)Cite this article

Terahertz technology seems set to become important in security screening and the pharmaceutical industry.

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Figure 1: Different explosives have unique terahertz spectral fingerprints, shown here by spectra obtained for some common explosive materials using a terahertz spectrometer working in reflection mode.
Figure 2: A spectrum of Semtex-H explosive taken at a distance of 1 metre from the emitter and detector.
Figure 3: Terahertz spectroscopy on whole tablets of ranitidine hydrochloride — a treatment for indigestion and heartburn.
Figure 4: Terahertz pulsed imaging of film coatings.

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  1. TeraView, Platinum Building, St John's Innovation Park, Cambridge, CB4 0WS, UK

    Louise Ho, Michael Pepper & Philip Taday

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  1. Louise Ho
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  2. Michael Pepper
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  3. Philip Taday
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Ho, L., Pepper, M. & Taday, P. Signatures and fingerprints. Nature Photon 2, 541–543 (2008). https://doi.org/10.1038/nphoton.2008.174

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