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dc.contributor.authorBaxter, Harry W
dc.contributor.authorWorrall, Adam A
dc.contributor.authorPang, Jie
dc.contributor.authorChen, Riqing; email: riqing.chen@fafu.edu.cn
dc.contributor.authorYang, Bin; email: b.yang@chester.ac.uk
dc.date.accessioned2021-04-22T13:15:19Z
dc.date.available2021-04-22T13:15:19Z
dc.date.issued2021-04-08
dc.date.submitted2020-12-08
dc.identifierhttps://chesterrep.openrepository.com/bitstream/handle/10034/624464/fphy-09-639151.xml?sequence=2
dc.identifierhttps://chesterrep.openrepository.com/bitstream/handle/10034/624464/additional-files.zip?sequence=3
dc.identifierhttps://chesterrep.openrepository.com/bitstream/handle/10034/624464/fphy-09-639151.pdf?sequence=4
dc.identifier.citationFrontiers in Physics, volume 9, page 639151
dc.identifier.urihttp://hdl.handle.net/10034/624464
dc.descriptionFrom Frontiers via Jisc Publications Router
dc.descriptionHistory: received 2020-12-08, collection 2021, accepted 2021-02-11, epub 2021-04-08
dc.descriptionPublication status: Published
dc.description.abstractThe prospect of being able to move through security without the inconvenience of separating liquids from bags is an exciting one for passengers, and there are important operational benefits for airports as well. Here, two terahertz (THz) systems, 100 GHz sub-THz line scanner and attenuation total reflection-based THz time domain spectroscopy (TDS), have been used to demonstrate the capability of identifying different liquid samples. Liquid samples’ THz complex permittivities are measured and their differences have contributed to the variation of 100 GHz 2D images of volatile liquids with different volumes inside of cannister bottles. The acquired attenuation images at 100 GHz can easily be used to distinguish highly absorbed liquids (Water, Ethanol, Fuel Treatment Chemicals) and low loss liquids (Petrol, Diesel, Kerosene and Universal Bottle Cleaner). The results give a promising feasibility for mm-wave imager and THz spectroscopy to efficiently identify different volatile liquids.
dc.languageen
dc.publisherFrontiers Media S.A.
dc.rightsLicence for this article: http://creativecommons.org/licenses/by/4.0/
dc.sourceeissn: 2296-424X
dc.subjectPhysics
dc.subjectmm-wave imaging
dc.subjectTHz ATR
dc.subjectTHz TDS
dc.subjectliquid measurements
dc.subjectsecurity check
dc.titleVolatile Liquid Detection by Terahertz Technologies
dc.typearticle
dc.date.updated2021-04-22T13:15:18Z
dc.date.accepted2021-02-11


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