in-field absolute calibration of ground and airborne vis-nir-swir hyperspectral point spectrometers
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ID: 185662
2014
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Abstract
Spectrometer calibration and measurements of spectral radiance are often required when performing ground, aerial, and space measurements. While calibrating a spectrometer in the field using an integrating sphere is practically unachievable, calibration against a quartz halogen (QH) lamp is a quite easy and feasible option. We describe a calibration protocol whereby a professional QH lamp, operating with a stabilized current source, is first calibrated in the laboratory against a US National Institute of Standards and Technology (NIST) traceable integrating sphere and, then, used for the field calibration of a spectrometer before a ground or airborne campaign. Another advantage of the lamp over the integrating sphere is its ability to create a continuous calibration curve at the spectrometer resolution, while the integrating sphere is calibrated only for a few discrete wavelengths. A calibrated lamp could also be used for a secondary continuous calibration of an un-calibrated integrating sphere.
| Reference Key |
rozenstein2014remotein-field
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|---|---|
| Authors | ;Offer Rozenstein;Adam Devir;Arnon Karnieli |
| Journal | Journal of pharmacological sciences |
| Year | 2014 |
| DOI |
10.3390/rs6021158
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| URL | |
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