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Absolute radiometric calibration facility ARCF 2.0 at TNO

Author: Gür, B. · Otter, G.J.C. · Jansen, R. · Groote Schaarsberg, J.J.M. · Brinkers, S.
Type:article
Date:2015
Publisher: Society of Photo-Optical Instrumentation Engineers SPIE
Place: Bellingham, WA, USA
Source:Duparré, A.Geyl, R., Optical Systems Design 2015: Optical Fabrication, Testing, and Metrology V, 9628
series:
Proceedings of SPIE - The International Society for Optical Engineering
Identifier: 756704
Keywords: Electronics · BSDF · Diffuser · Radiometric Calibration · High Tech Systems & Materials · Industrial Innovation · 2015 Nano Technology · OPT - Optics SSE - Space Systems Engineering · TS - Technical Sciences

Abstract

Optical components with scattering properties, so-called diffusers, are core elements of calibration units in earth observation instruments. Their performance influences significantly the achievable accuracy of scientific observations. It is of high importance however to characterize the scattering properties of such a diffuser with minimum uncertainty onground before launched into orbit and before being utilized in its calibration purpose. Over the past decades TNO has operated an “Absolute Radiometric Calibration Facility (ARCF)” to ensure such accurate characterization of space components. In the recent past TNO has put increased efforts in upgrading and modernizing its facility into a modern high class facility (ARCF 2.0) to measure scattering properties of a variety of materials and components to meet the growing demands for accurate measurements for space applications. This paper describes the above mentioned facility ARCF 2.0 with its unique measurement capabilities and outlies several examples.