Growth and optical properties of Yb doped new scintillator crystals

A. Yoshikawa, H. Ogino, J. H. Lee, M. Nikl, N. Solovieva, N. Garnier, C. Dujardin, K. Lebbou, C. Pedrini, T. Fukuda

Research output: Contribution to journalArticlepeer-review

34 Citations (Scopus)

Abstract

Single crystal of heavily Yb3+-doped Lu3Al 5O12 (Yb:LuAG) were grown by the micro-pulling-down method. Radio- and photoluminescence spectra of the Yb:LuAG were studied. Two bands peaking round 340-350 and 480-500 nm could be ascribed to charge transfer (CT) luminescence of Yb3+, as their position nearly coincide with the Yb3+-related CT emission in YAG matrix. The highest emission intensity was observed for Yb concentration of 5% with respect to the Lu site. Temperature dependence of photoluminescence spectra of the Yb: LuAG (5%) was measured and points to remarkable thermal quenching above liquid nitrogen temperature.

Original languageEnglish
Pages (from-to)275-279
Number of pages5
JournalOptical Materials
Volume24
Issue number1-2
DOIs
Publication statusPublished - 2003

Keywords

  • Charge transfer luminescence
  • Garnet
  • Single crystal growth from the melt
  • Yb

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Computer Science(all)
  • Atomic and Molecular Physics, and Optics
  • Spectroscopy
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Electrical and Electronic Engineering

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