Broadband frequency radiation coupling for frequencies above 1THz for kinetic inductance detectors

Juan Bueno; Lorenza Ferrari; Jochem J. A. Baselmans

doi:10.1117/12.2562176

13 December 2020 Broadband frequency radiation coupling for frequencies above 1THz for kinetic inductance detectors

Juan Bueno, Lorenza Ferrari, Jochem J. A. Baselmans

Proceedings Volume 11453, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X; 114531P (2020) https://doi.org/10.1117/12.2562176
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Conference Poster

Abstract

Future space-based observatories for the far infrared and sub-mm wave radiation, such as SPICA and the OST telescope, will need ultra-sensitive background limited detectors at frequencies above 1THz. We present a leaky-lens antenna design, composed of a leaky slot fed by a coplanar wave guide, which can be used to couple the absorbed power to a Kinetic Inductance Detector. The slot is coupled to a dielectric lens to achieve directive patterns with a high aperture efficiency. This antenna provides with a frequency coverage over an octave, and can be easily scaled up to 10THz using e-beam lithography.

Citation Download Citation

Juan Bueno, Lorenza Ferrari, and Jochem J. A. Baselmans "Broadband frequency radiation coupling for frequencies above 1THz for kinetic inductance detectors", Proc. SPIE 11453, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X, 114531P (13 December 2020); https://doi.org/10.1117/12.2562176

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