Abstract
A machining procedure based on an elementary concept has been applied successfully to produce metal mirrors suitable for submillimeter wavelengths. Ninety-degree off-axis paraboloidal or ellipsoidal mirror sections may be cut from brass or aluminum by means of a series of predetermined increments on a conventional laboratory lathe. Paraboloidal mirrors with low f-numbers (f/2) made by this technique have been used with good results as part of the collecting optics of a submillimeter-wave heterodyne radiometer.
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References
N. R. Erickson, Appl. Opt.18, 956 (1979).
G. F. Dionne, Rev. Sci. Instrum.52, 308 (1981).
G. F. Dionne, Technical Report TR-588, Lincoln Laboratory, M.I.T. (7 October 1981). AD-A107898.
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Dionne, G.F. Laboratory-scale mirrors for submillimeter wavelengths. Int J Infrared Milli Waves 3, 417–423 (1982). https://doi.org/10.1007/BF01006256
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DOI: https://doi.org/10.1007/BF01006256