Emission properties of Pr3+-doped aluminosilicate glasses at visible wavelengths

Yan Sun, Fei Yu, Meisong Liao, Xin Wang, Yu Li, Lili Hu, Jonathan Knight

Research output: Contribution to journalArticle

Abstract

In this work, we explore emission properties of Pr3+ ion doped aluminosilicate glasses at visible wavelengths where alkaline earth oxide modifiers (Mg2+, Ca2+, Sr2+, Ba2+) are introduced for enhancement of the Stark splitting of Pr3+ in the silicate matrix. The Pr3+ ion doped aluminosilicate glasses present strong absorption at visible wavelengths between 440 and 500 nm which gives rise to intense emission in the visible spectrum from 570 to 660 nm. The visible luminescence spectra under excitation at different pump wavelengths and the lifetime of spontaneous emission are investigated as functions of Pr3+ doping concentration. We report a longest lifetime of 115 μs measured at 3P0 level in Pr3+ implying Pr3+ doped aluminosilicate glass may be a promising candidate for efficient visible fiber laser operated at 610 and 640 nm wavelength. The concentration-induced quenching and various energy transfer processes are also investigated.

Original languageEnglish
Article number117013
JournalJournal of Luminescence
Volume220
Early online date3 Jan 2020
DOIs
Publication statusPublished - 30 Apr 2020

Keywords

  • Aluminosilicate glass
  • Pr
  • Visible emission

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Chemistry(all)
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

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