Abstract
USING a special vacuum furnace and a new multiple-reflexion method to be described in detail elsewhere, I have determined the spectral reflectivity of nickel in the visible part of the spectrum over a range of 400° C. A beam of light from a 100-watt filament lamp was reflected four times at a nickel mirror, and compared with a standard beam from the same source, the intensity of the standard being reduced by means of a rotating sector until a match was obtained between the two for any given wave-length.
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WEIL, R. Reflectivity of Nickel. Nature 158, 672 (1946). https://doi.org/10.1038/158672a0
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DOI: https://doi.org/10.1038/158672a0
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