Please use this identifier to cite or link to this item: https://doi.org/10.1364/OE.19.014653
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dc.titleLattice resonances in antenna arrays for liquid sensing in the terahertz regime
dc.contributor.authorNg, B.
dc.contributor.authorHanham, S.M.
dc.contributor.authorGiannini, V.
dc.contributor.authorChen, Z.C.
dc.contributor.authorTang, M.
dc.contributor.authorLiew, Y.F.
dc.contributor.authorKlein, N.
dc.contributor.authorHong, M.H.
dc.contributor.authorMaier, S.A.
dc.date.accessioned2014-06-17T02:54:57Z
dc.date.available2014-06-17T02:54:57Z
dc.date.issued2011-07-18
dc.identifier.citationNg, B., Hanham, S.M., Giannini, V., Chen, Z.C., Tang, M., Liew, Y.F., Klein, N., Hong, M.H., Maier, S.A. (2011-07-18). Lattice resonances in antenna arrays for liquid sensing in the terahertz regime. Optics Express 19 (15) : 14653-14661. ScholarBank@NUS Repository. https://doi.org/10.1364/OE.19.014653
dc.identifier.issn10944087
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/56471
dc.description.abstractTerahertz antenna arrays supporting narrow lattice resonances are proposed as an alternative sensor-on-chip approach to liquid sensing. An array of metallic rectangular antennas fabricated on a polyethylene naphthalate (PEN) substrate is used to demonstrate the sensing of a number of fluids. Good agreement is shown between experiment and simulation with Q-factors of around 20 and a figure-of-merit (FOM) of 3.80 being achieved. Liquid sensing with antenna arrays is simple both in terms of fabrication and setup. The working frequency can be tuned with a suitable choice of substrates and array parameters. The nature of the lattice resonance means that the whole sample is used to provide the conditions required for resonance occurrence, eliminating the need to preferentially locate the sample in small areas of high field concentration. The antenna arrays could also potentially be coupled with a microfluidic system for in situ sensing or used in a reflection setup. © 2011 Optical Society of America.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1364/OE.19.014653
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.contributor.departmentCIVIL & ENVIRONMENTAL ENGINEERING
dc.description.doi10.1364/OE.19.014653
dc.description.sourcetitleOptics Express
dc.description.volume19
dc.description.issue15
dc.description.page14653-14661
dc.identifier.isiut000292877600096
Appears in Collections:Staff Publications

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