Freer, SuzannaMartinez, RafaelPérez Quintana, DayanBeruete Díaz, MiguelHanham, Stephen M.Attallah, Moataz M.Navarro Cía, Miguel2022-01-262022-03-112020S. Freer et al., "Metal 3D Printed D-Band Waveguide to Surface Wave Transition," 2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2020, pp. 1-2, doi: 10.1109/IRMMW-THz46771.2020.9370639.978-1-7281-6620-92162-202710.1109/IRMMW-THZ46771.2020.9370639https://academica-e.unavarra.es/handle/2454/41958The coupling efficiency between free space waves and surface waves is low, narrowband, or both. Highly efficient broadband (better than 20% fractional bandwidth) coupling from waveguide modes can be achieved through sophisticated transitions whose fabrication can be enabled through additive manufacturing (e.g. selective laser melting). Here, we present alternative metallic transitions designed to couple the fundamental mode of a D-band waveguide to the fundamental transversemagnetic surface mode supported by a periodic metal corrugated grating. Simulations of the coupling process and initial measurements have been undertaken.2 p.application/pdfeng© 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other workSurface wavesD-band waveguideinfo:eu-repo/semantics/conferenceObjectinfo:eu-repo/semantics/openAccessAcceso abierto / Sarbide irekia