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Transport of light through white-LED phosphor plates

  • Maryna Meretska*
  • , H. Thyrrestrup
  • , Ad Lagendijk
  • , T. W. Tukker
  • , A. P. Mosk
  • , W. L. IJzerman
  • , Willem L. Vos
  • *Corresponding author for this work
  • University of Twente
  • Koninklijke Philips N.V.
  • extern

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

Abstract

Energy efficient generation of white light has become an important societal issue in recent years. The technology of white-light emitting diodes (LEDs) is one of the main directions (Akasaki I, Amano H, Nakamura S, Blue LEDs – filling the world with new light, http://www.nobelprize.org/, 2014; Schubert EF, Light emitting diodes. Cambridge: Cambridge University, 2006). Key challenges in the white LED usage are understanding scattering, absorption and emission from ab-initio, and extracting the transport properties in the region where both emission and absorption overlap. Physical understanding of multiple light scattering in the LED provides tools to extract optical parameters of this system, and greatly simplify the LED design process. In this work we have been able to measure the total transmission, using a novel technique, in the region where emission and absorption overlap, and to extract transport parameters in the whole visible range.

Original languageEnglish
Title of host publicationNano-Optics
Subtitle of host publicationPrinciples Enabling Basic Research and Applications
EditorsBaldassare Di Bartolo, John Collins, Luciano Silvestri
Place of PublicationDordrecht
PublisherSpringer
Chapter37
Pages467-468
Number of pages2
ISBN (Electronic)978-94-024-0850-8
ISBN (Print)978-94-024-0848-5
DOIs
Publication statusPublished - 2017
Externally publishedYes

Publication series

NameNATO Science for Peace and Security Series B: Physics and Biophysics
ISSN (Print)1874-6500

Keywords

  • Polycarbonate

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