3 papers
astro-ph.IM2026
Design, assembly, and initial test results of a cryostat for holographic characterization of microwave telescopes
Jon E. Gudmundsson, Miranda Eiben, Thomas J. L. J. Gascard +1
We describe the design, fabrication, assembly, and room-temperature vacuum qualification of a 1.4-m long cylindrical cryostat developed for holographic testing of cryogenic microwa…
astro-ph.IM2026
Effects of manufacturing tolerances on the performance of metamaterial microwave anti-reflection coatings
Rustam Balafendiev, Miranda Eiben, Jon E. Gudmundsson
Metamaterial anti-reflection coatings (ARC) are used in a variety of applications, including: lenses, filters, and absorbers. Typically, the design of a given ARC is done within an…
astro-ph.IM2026
Millimeter and sub-millimeter characterization of polymers used for infrared filters in high-sensitivity cryogenic microwave telescopes
Miranda Eiben, Rustam Balafendiev, Thomas Gascard +1
Vacuum windows and infrared filters are important transmissive optical components in millimeter receivers, as they hold out the atmosphere and reduce radiative loading on cold stag…