Octave bandwidth receiver technology for radio and millimetre-wave telescopes

D. Henke; F. Jiang; S. Salem Hesari; A. Seyfollahi; B. Veidt; L. B. G. Knee

doi:10.1117/12.2630537

31 August 2022 Octave bandwidth receiver technology for radio and millimetre-wave telescopes

D. Henke, F. Jiang, S. Salem Hesari, A. Seyfollahi, B. Veidt, L. B. G. Knee

Proceedings Volume 12190, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI; 121901Y (2022) https://doi.org/10.1117/12.2630537
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

In radio astronomy instrumentation, the benefit of increased spectral grasp must be evaluated against a decrease in overall system performance (e.g., system noise, stability, and optical efficiency) and considerable effort has gone into quantifying the best overall choice to define receiver bands for a particular telescope; present examples include the Square Kilometre Array (SKA) and the Next Generation Very Large Array (ngVLA) where the higher bands do not exceed a bandwidth of 1.7:1. During the last two years, NRC Herzberg has been researching wide bandwidth waveguide and active components in order to extend the bandwidth to a full 2:1 octave bandwidth. We report on recent innovation in front-end receiver components, including an octave bandwidth feed horn, OMT, and LNA, to enable wideband science

Citation Download Citation

D. Henke, F. Jiang, S. Salem Hesari, A. Seyfollahi, B. Veidt, and L. B. G. Knee "Octave bandwidth receiver technology for radio and millimetre-wave telescopes", Proc. SPIE 12190, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI, 121901Y (31 August 2022); https://doi.org/10.1117/12.2630537

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