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1.  Breakthroughs Bring THz Spectroscopy, Sensing Closer to Mainstream
MANIJEH RAZEGHI, QUANYONG LU, SANTANU MANNA, DONGHAI WU AND STEVEN SLIVKEN, NORTHWESTERN UNIVERSITY
www.photonics.com-- December 1, 2016
The terahertz (THz) electromagnet­ic spectrum (1 to 10 THz), sitting between the infrared wavelengths on the higher fre­quency side and microwaves on the lower frequency side, lies unique and important properties. THz waves can pass through a number of materials, including synthetics, textiles, paper and cardboard. Many bio­molecules, proteins, explosives or narcot­ics feature characteristic absorption I ines - so-called spectral "fingerprints" - at frequencies between 1 and 10 THz.
 

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