Surface wave source with a multistage depressed collector - designing a high-power THz source

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Konoplev, I.V. and MacLachlan, A.J. and Zhang, L. and Young, L. and Rowley, C. and Bartley, E. and Ronald, K. and Phelps, A.D.R. and Lewtas, H.; (2026) Surface wave source with a multistage depressed collector - designing a high-power THz source. In: 2025 50th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE, Piscataway, NJ. ISBN 9798350378832 (https://doi.org/10.1109/irmmw-thz61557.2025.113201...)

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Abstract

Terahertz (THz) radiation, encompassing millimetre/submillimetre wavelengths (0.3THz-10THz), is one of the most desirable ranges of electromagnetic (EM) radiation. While sources capable of generating coherent THz radiation are continuously developing and subjects of exciting R&D programs, a significant frequency band from approximately 0.5THz to 5THz is still practically unbridged, with only occasional "steppingstones" appearing to support a limited number of research and industrial applications. This is specifically true for high power (>100W) compact and energy efficient (> 10%) sources of THz radiation. The project, stimulated by market research conducted and led by UKAEA, is to explore opportunities to construct high efficient (>10%) THz source potentially capable of generating >100W of coherent THz radiation (0.5 THz to 5 THz) in pulsed and CW regimes. The results of the market research based on more than 20 interviews will be also presented and discussed.

ORCID iDs

Konoplev, I.V., MacLachlan, A.J. ORCID logoORCID: https://orcid.org/0000-0002-8960-1683, Zhang, L. ORCID logoORCID: https://orcid.org/0000-0002-6317-0395, Young, L., Rowley, C., Bartley, E., Ronald, K. ORCID logoORCID: https://orcid.org/0000-0002-8585-0746, Phelps, A.D.R. ORCID logoORCID: https://orcid.org/0000-0002-1100-1012 and Lewtas, H.;
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