NIST logo

Publication Citation: Radiometric Calibration History of Visible and Near-Infrared Portable Radiometers

NIST Authors in Bold

Author(s): Bettye C. Johnson; Steven W. Brown; Howard W. Yoon;
Title: Radiometric Calibration History of Visible and Near-Infrared Portable Radiometers
Published: September 01, 2000
Abstract: The National Institute of Standards and Technology (NIST), with the support of the National Aeronautics and Space Administration (NASA), has built several transfer radiometers that are used in radiometric measurement comparisons to validate spectral-radiance levels assigned to integrating-sphere sources by the end user. The transfer radiometers are characterized and calibrated at NIST, and function as direct links in the spectral radiance measurement chain. This paper presents a historical analysis of a calibration method that utilizes a broadband source. Previously observed discrepancies between two radiometers are reconciled as a result.
Citation: Metrologia
Volume: 37
Issue: No. 5
Keywords: earth observing system;filter radiometers;integrating sphere sources;remote sensing;spectral radiance
Research Areas: