Determining the shape of reflectance reference samples for curved surface reflectors

Research output: Contribution to journalArticleScientificpeer-review

Researchers

Research units

  • Fraunhofer Institute for Production Systems and Design Technology
  • Physikalisch-Technische Bundesanstalt
  • VTT Technical Research Centre of Finland
  • Laboratoire national de métrologie et d'essais

Abstract

Foils made of different materials are often used as reflective insulators. Many manufacturers aim to accurately measure their optical properties to estimate and improve their performance. However, flat reflectance reference samples used in measurements do not correctly represent reflective insulators and cause discrepancies between different measurement techniques. The current work presents a method for modelling surface shape of appropriate reflectance reference samples that could be produced by additive manufacturing. The method is based on studying the reflection distribution of reflective insulators and is described with an example of aluminium foil. The method's performance is validated using Monte-Carlo simulations.

Details

Original languageEnglish
Article number054010
JournalMeasurement Science and Technology
Volume31
Issue number5
Publication statusPublished - 1 Jan 2020
MoE publication typeA1 Journal article-refereed

    Research areas

  • additive manufacturing, curved surface, foil, Monte-Carlo, reference sample, reflectance, reflective insulators

ID: 42123595