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Interlaboratory Comparison for Goniophotometers (IC 2017)
The final report from the IEA 4E Solid State Lighting Annex’s 2017 Interlaboratory comparison (IC 2017). This comparison had 36 participating laboratories from 19 countries with a total of 42 goniophotometric instruments, the largest interlaboratory comparison of such equipment ever undertaken. This comparison investigated the level of agreement in measurements of SSL products by various types of goniophotometers including near-field type and source-rotating type, as well as mirror-type goniophotometers which are most commonly used. IC
Interlaboratory Comparison 2017 Technical Protocol version 1.0
This document describes the technical protocol used by the participating laboratories as well as by Nucleus Laboratories.
2013 Interlaboratory Comparison – Final Report
The measurement data from 110 laboratories worldwide are included in this final report of IC 2013. In addition, there are 13 more sets of data included, as some laboratories submitted two or more
Measurement of temporal light modulation: improving calculation methods for stroboscopic effect visibility measure
The SSL Annex is conducting an Interlaboratory Comparison (IC 2022) on the measurement of temporal light modulation (TLM) from SSL products. In this context, uncertainty associated with SVM calculations must be minimised and remain consistent across a range of waveform measurement parameters (e.g., sampling frequency, duration) used in different systems. This presentation discusses two methods for improving accuracy and precision of determined values for SVM and their importance to IC 2022.
