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Proceedings Paper

Improved transfer standard sources for calibration of earth observation instruments
Author(s): Nigel P. Fox; Neil J. Harrison; Teresa M. Hunt; David F. Pollard; Stuart Windsor; Emma R. Woolliams
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Paper Abstract

This paper describes the properties of two transfer standard sources developed to improve the accuracy of dissemination of spectral irradiance and radiance. The sources both make use of a novel concept, detector stabilization and monitoring, which allow the sources to provide high accuracy calibrations over a period of time more than four times that of conventional sources. Such sources have applications in many technology sectors but they are of particular relevance to the Earth Observation community as they offer high reliability in different environmental conditions and are less susceptible to change on transportation. The radiance source has the additional property of providing an extremely spatially uniform output, <+/- .02% at 380 nm over 80 mm diameter.

Paper Details

Date Published: 18 January 2002
PDF: 9 pages
Proc. SPIE 4483, Earth Observing Systems VI, (18 January 2002); doi: 10.1117/12.453452
Show Author Affiliations
Nigel P. Fox, National Physical Lab. (United Kingdom)
Neil J. Harrison, National Physical Lab. (United Kingdom)
Teresa M. Hunt, National Physical Lab. (United Kingdom)
David F. Pollard, National Physical Lab. (United Kingdom)
Stuart Windsor, National Physical Lab. (United Kingdom)
Emma R. Woolliams, National Physical Lab. (United Kingdom)

Published in SPIE Proceedings Vol. 4483:
Earth Observing Systems VI
William L. Barnes, Editor(s)

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