Fabrication of a monolithic 5 m aluminum reflector for millimeter-wavelength observations of the cosmic microwave background.
arXiv (Cornell University)(2023)
摘要
We have demonstrated the fabrication of a monolithic, 5 m diameter, aluminum reflector with 17.4 µm root-mean-square surface error. The reflector was designed to avoid the problem of pickup due to scattering from panel gaps in a large, millimeter-wavelength telescope that will be used for measurements of the cosmic microwave background.
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关键词
monolithic,millimeter-wavelength
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