Siday, T;
Natrella, M;
Wu, J;
Liu, H;
Mitrofanov, O;
(2017)
Resonant scattering probes in the terahertz range.
In:
Proceedings of the 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
IEEE: Cancun, Mexico.
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Abstract
We propose and demonstrate a novel near-field probe, resonant at terahertz (THz) frequencies. A conical metal tip, with length 50-1000 μm is fabricated directly to the surface of a semiconductor surface, acting as a radially-polarized THz source. High field confinement is seen at the apex of the probe. The scattering efficiency is frequency dependent, and is likely related to the dipolar resonance along the length of the probe.
| Type: | Proceedings paper |
|---|---|
| Title: | Resonant scattering probes in the terahertz range |
| Event: | 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) |
| ISBN-13: | 978-1-5090-6050-4 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/IRMMW-THz.2017.8067247 |
| Publisher version: | https://doi.org/10.1109/IRMMW-THz.2017.8067247 |
| 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: | Probes, Indium, Scattering, Apertures, Microscopy, Time-domain analysis, Finite difference methods |
| UCL classification: | UCL 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/10114002 |
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