Spectroscopic study of Er:Sm doped barium fluorotellurite glass

Spectrochim Acta A Mol Biomol Spectrosc. 2010 Sep 15;77(1):101-6. doi: 10.1016/j.saa.2010.04.033. Epub 2010 May 5.

Abstract

In this paper, we report the physical and spectroscopic properties of Er(3+), Sm(3+) and Er(3+):Sm(3+) ions codoped barium fluorotellurite (BFT) glasses. Different Stokes and anti-Stokes emissions were observed under 532 nm and 976 nm laser excitations. Energy transfer from Er(3+) ion to Sm(3+) ion was confirmed on the basis of luminescence intensity variation and decay curve analysis in both the cases. Under green (532 nm) excitation emission intensity of Sm(3+) ion bands improves whereas on NIR (976 nm) excitation new emission bands of Sm(3+) ions were observed in Er:Sm codoped samples. Ion interactions and the different energy transfer parameters were also calculated.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Barium / chemistry*
  • Energy Transfer
  • Erbium / chemistry*
  • Glass / chemistry*
  • Kinetics
  • Luminescence
  • Samarium / chemistry*
  • Spectrum Analysis
  • Tellurium / chemistry*
  • Thermogravimetry

Substances

  • Barium
  • Samarium
  • Erbium
  • tellurous acid
  • Tellurium