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Advanced Optical Technologies

Editor-in-Chief: Pfeffer, Michael


CiteScore 2018: 1.42

SCImago Journal Rank (SJR) 2018: 0.499
Source Normalized Impact per Paper (SNIP) 2018: 1.346

In co-publication with THOSS Media GmbH

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2192-8584
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Volume 4, Issue 1

Issues

Methods for describing illumination colour uniformities

Ingo Rotscholl
  • Corresponding author
  • Karlsruhe Institute of Technology, Department of Electrical Engineering and Information Technology, Light Technology Institute, Engesserstr. 13, 76131 Karlsruhe, Germany
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  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Klaus Trampert
  • Karlsruhe Institute of Technology, Department of Electrical Engineering and Information Technology, Light Technology Institute, Engesserstr. 13, 76131 Karlsruhe, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Franziska Herrmann
  • Karlsruhe Institute of Technology, Department of Electrical Engineering and Information Technology, Light Technology Institute, Engesserstr. 13, 76131 Karlsruhe, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Cornelius Neumann
  • Karlsruhe Institute of Technology, Department of Electrical Engineering and Information Technology, Light Technology Institute, Engesserstr. 13, 76131 Karlsruhe, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2015-02-06 | DOI: https://doi.org/10.1515/aot-2014-0066

Abstract

Optimizing angular or spatial colour homogeneity has become an important task in many general lighting applications and first requires a valid description of illumination colour homogeneity. We analyse different frequently used methods to describe colour distributions in theory and with measurement data. It is described why information about chromaticity coordinates, correlated colour temperature and global chromaticity coordinate distances are not sufficient for describing colour homogeneity perception of light distributions. We present local chromaticity coordinate distances as expandable and easy implementable method for describing colour homogeneity distributions that is adaptable to the field of view by only one intuitive, physiological meaningful parameter.

Keywords: colour; colour uniformity; illumination and lighting technology; optical engineering; standards

References

About the article

Ingo Rotscholl

Ingo Rotscholl received his BSc and MSc at the Department of Electrical Engineering and Information Technology of Karlsruhe Institute of Technology, Germany, in 2014. He continues his researches from his master thesis in the fields of colorimetric simulation and colour evaluation as a PhD student at the Light Technology Institute.

Klaus Trampert

Klaus Trampert received his Diploma in Electrical Engineering from the University Karlsruhe (TH). He finished his PhD in Plasma Physics of Lamps at the same department in Karlsruhe Institute of Technology in 2008. He now works as a lecturer in Photometry and is head of an accredited laboratory for general and automotive lighting devices.

Franziska Herrmann

Franziska Herrmann received her diploma in Physics in 2009 at the University of Hamburg. Further, she graduated in 2013 as a PhD at Karlsruhe Institute of Technology, studying light and colour measurement.

Cornelius Neumann

Cornelius Neumann studied Physics and Philosophy at the University of Bielefeld, Germany. After his PhD, he worked for the automotive supplier Hella in the advanced development for Automotive Lighting. Since 2009, he is a Professor for Optical Technologies in Automotive and General Lighting.


Corresponding author: Ingo Rotscholl, Karlsruhe Institute of Technology, Department of Electrical Engineering and Information Technology, Light Technology Institute, Engesserstr. 13, 76131 Karlsruhe, Germany, e-mail:


Received: 2014-12-10

Accepted: 2015-01-12

Published Online: 2015-02-06

Published in Print: 2015-02-01


Citation Information: Advanced Optical Technologies, Volume 4, Issue 1, Pages 99–110, ISSN (Online) 2192-8584, ISSN (Print) 2192-8576, DOI: https://doi.org/10.1515/aot-2014-0066.

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