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Novel infrared-blocking aerogel scattering filters and their applications in astrophysical and planetary science

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arxiv 2208.03755 v2 pith:FWIXUTIF submitted 2022-08-07 astro-ph.IM astro-ph.EP

Novel infrared-blocking aerogel scattering filters and their applications in astrophysical and planetary science

classification astro-ph.IM astro-ph.EP
keywords filtersaerogelcryogenicscienceapplicationsexperimentinfrared-blockingmechanical
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Infrared-blocking scattering aerogel filters have a broad range of potential applications in astrophysics and planetary science observations in the far-infrared, sub-millimeter, and microwave regimes. Successful dielectric modeling of aerogel filters allowed the fabrication of samples to meet the mechanical and science instrument requirements for several experiments, including the Sub-millimeter Solar Observation Lunar Volatiles Experiment (SSOLVE), the Cosmology Large Angular Scale Surveyor (CLASS), and the Experiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM). Thermal multi-physics simulations of the filters predict their performance when integrated into a cryogenic receiver. Prototype filters have survived cryogenic cycling to 4K with no degradation in mechanical properties.

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