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Accurate reflectance measurements in the infrared spectral range using an integrating sphere

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Abstract

An integrating sphere is used together with a Fourier transform spectrometer for directional-hemispherical reflectance measurements in the spectral range from 1μm to 15μm. Comparisons with PTB's fundamental sphere reflectometer around 1μm show that the uncertainty of the infrared measurements is ±0.01.

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Authors and Affiliations

  1. Physikalisch-Technische Bundesanstalt (PTB), D-3300, Braunschweig, Germany

    Wolfgang Richter

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  1. Wolfgang Richter
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Richter, W. Accurate reflectance measurements in the infrared spectral range using an integrating sphere. Mikrochim Acta 94, 175–177 (1988). https://doi.org/10.1007/BF01205864

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  • DOI: https://doi.org/10.1007/BF01205864

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