http://arxiv.org/abs/2304.01469
We have demonstrated the fabrication of a monolithic, 5-meter diameter, aluminum reflector with 17.4 $\mu$m RMS 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 on the cosmic microwave background.
T. Natoli, B. Benson, J. Carlstrom, et. al.
Wed, 5 Apr 23
46/62
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