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Optimized multilayer structure for sensitive THz characterization of thin-film glucose solutions
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Ding, Xuefei, Hernandez-Serrano, A. I., Lindley-Hatcher, Hannah, Stantchev, Rayko I., Zhou, Jun and Pickwell-MacPherson, Emma (2022) Optimized multilayer structure for sensitive THz characterization of thin-film glucose solutions. Optics Express, 30 (11). pp. 18079-18089. doi:10.1364/OE.451633 ISSN 1094-4087.
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WRAP-optimized-multilayer-structure-sensitive-THz-characterization-thin-film-aqueous-solution-Pickwell-MacPherson-2021.pdf - Accepted Version Embargoed item. Restricted access to Repository staff only - Requires a PDF viewer. Download (2755Kb) |
Official URL: https://doi.org/10.1364/OE.451633
Abstract
Terahertz time-domain spectroscopy (THz-TDS) has shown promise in biomedical sample characterization and high characterization sensitivity is in demand due to the thin-film (TF) feature of the sample. This paper proposes an optimized multilayer structure for sensitive characterization of TF aqueous solutions in reflection THz-TDS. Theoretical simulations are conducted for structural optimization and the 75 µm window-sample-mirror structure displays the best sensitivity compared to other sandwich structures and traditional THz measurement geometries. 0-20% TF glucose solutions are then measured; and a spectral peak introduced by the proposed structure is observed to result in the high sensitivity. Our work provides a new way of customizing multilayer structure for THz thin-film characterization.
| Item Type: | Journal Article | ||||||||||||
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||||
| Journal or Publication Title: | Optics Express | ||||||||||||
| Publisher: | Optical Society of America | ||||||||||||
| ISSN: | 1094-4087 | ||||||||||||
| Official Date: | 23 May 2022 | ||||||||||||
| Dates: |
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| Volume: | 30 | ||||||||||||
| Number: | 11 | ||||||||||||
| Page Range: | pp. 18079-18089 | ||||||||||||
| DOI: | 10.1364/OE.451633 | ||||||||||||
| Status: | Peer Reviewed | ||||||||||||
| Publication Status: | Published | ||||||||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||||||||
| Date of first compliant deposit: | 4 March 2022 | ||||||||||||
| Date of first compliant Open Access: | 17 May 2022 | ||||||||||||
| Funder: | The first author is funded by the Warwick -CSC scheme | ||||||||||||
| RIOXX Funder/Project Grant: |
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