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Multilateral spectral radiance factor scalecomparison
Physikalisch-Technische Bundesanstalt, Germany.
Agencia Estatal CSIC, Spain.
MSL Measurement Standards Laboratory of NZ, New Zealand.
VTT Technical Research Centre of Finland Ltd, Finland.
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2017 (English)In: Applied Optics, ISSN 1559-128X, E-ISSN 2155-3165, Vol. 56, no 7, p. 1996-2006, article id 279674Article in journal (Refereed) Published
Abstract [en]

The field of spectral radiance factor (SRF) measurements has seen growing interest in recent years. Scale conformity has so far only been established between the national metrology institutes (NMIs) of Germany and the USA. This study aims at a bigger, multilateral scale comparison. For this purpose, a total of six NMIs participated in a scale comparison of goniospectrophotometers based on neutral and colored diffusely reflecting ceramics samples. In addition, two universities, providing a home-built gonioreflectometer and two widely used commercially available color measurement instruments, respectively, were involved. The wavelength range of the scale comparison covers the visible wavelength range from 380 nm to 780 nm. Results indicate systematic issues and that the uncertainty evaluation of the NMIs requires further work; although for the greatest part of the covered spectral range the agreement is good.

Place, publisher, year, edition, pages
2017. Vol. 56, no 7, p. 1996-2006, article id 279674
Keywords [en]
BSDF, BRDF, BTDF, Reflection
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-32972DOI: 10.1364/AO.56.001996OAI: oai:DiVA.org:ri-32972DiVA, id: diva2:1170391
Projects
EMRP xDReflectAvailable from: 2018-01-03 Created: 2018-01-03 Last updated: 2018-01-10Bibliographically approved

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