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Enhanced luminescence of silica thin films co-doped with Er3+ and Yb3+

  • Gang Gu
  • , P. P. Ong
  • , Jinhua Cai
  • , Wei Yang
  • , Youwei Du
  • , Shihe Yang

Research output: Contribution to journalJournal Articlepeer-review

Abstract

Er3+- and Yb3+- ions-co-doped silica thin films were prepared by RF magnetron sputtering. Enhanced photoluminescence centered at 1.534 μm was detected at room temperature when excited by a Nd-YAG laser line at 1.064 μm. The photoluminescence intensity increases with Yb-atom doped concentration and tends to saturate at the Yb-atom concentration of 3.0%, indicating that the enhanced photoluminescence results from the energy transfer from Yb3+ to Er3+.

Original languageEnglish
Pages (from-to)230-232
Number of pages3
JournalThin Solid Films
Volume340
Issue number1
DOIs
Publication statusPublished - 26 Feb 1999
Externally publishedYes

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