This paper discusses methods developed for measuring the reflectance and transmittance of solid
materials in the laboratory using instruments designed for the field. Having the ability to use
field instruments to obtain lab-quality measurements negates the need for redundant
instrumentation. In our work we use an ABB MR170 Fourier Transform Infrared (FTIR)
spectroradiometer to collect infrared spectra of natural and manmade surfaces in a variety of
terrains and environments. Our laboratory protocols are optimized for the 3-14μm region of the
electromagnetic spectrum. We describe our measurement protocols and present sample data.
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