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Probe-sample interaction in aperture-type THz near-field microscopy of complementary resonators

Hale, L; Keller, J; Siday, T; Hermans, RI; Haase, J; Reno, JL; Brener, I; ... Mitrofanov, O; + view all (2019) Probe-sample interaction in aperture-type THz near-field microscopy of complementary resonators. In: Proceedings of the 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE: Paris, France. Green open access

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Abstract

Subwavelength complementary metallic resonators operating in the terahertz (THz) regime are investigated with aperture near-field microscopy and spectroscopy. In contrast to far-field methods, the spectra of individual isolated resonators can be retrieved. We find that we can experimentally gain spectral information without modifying the spectral properties of the resonator with the aperture-type near-field probe by operating it at a separation distance greater than 10 μ {m}.

Type: Proceedings paper
Title: Probe-sample interaction in aperture-type THz near-field microscopy of complementary resonators
Event: 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/IRMMW-THz.2019.8874572
Publisher version: https://doi.org/10.1109/IRMMW-THz.2019.8874572
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Resonators , Apertures , Probes , Resonant frequency , Couplings , Microscopy , Laboratories
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10094146
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