Instrument Information
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| IDENTIFIER |
urn:nasa:pds:context:instrument:relab.bcf-ftir2::1.2
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| NAME |
NASA Reflectance Experiment Laboratory Thermo Nexus 870 FT-IR Spectrometer
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| TYPE |
Spectrometer
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| DESCRIPTION |
The NASA Reflectance Experiment Laboratory (RELAB) Thermo Nexus 870 Fourier-Transform infrared spectrometer with an off-axis biconical diffuse reflectance accessory was manufactured by PIKE Technology. The incidence and emergence beams are reflected on a large gold mirror with large unknown cone angle footprints, including some grazing angle beams. The NIR range (1-4 um) is measured with a halogen-tungsten lamp, CaF2 beam splitter, and either DTGS (TE-cooled) or InSb (liquid N2 cooled) detecter, Mid-IR range (2-25 um) with a globar, KBr beam splitter, and DTGS detector, and Far-IR range (14-100 um) with a globar, a solid-state beam splitter, and DTGS detector. The standard reference material is usually diffuse gold.
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