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Fabrication and refractive-index profile analysis of ion-exchange slab waveguide in oxyfluoride glass

  • Baojie Chen*
  • , Dianlai Yang
  • , E. Y.B. Pun
  • , Hai Lin
  • *Corresponding author for this work
  • Dalian Polytechnic University
  • City University of Hong Kong

Research output: Contribution to journalArticlepeer-review

Abstract

The slab waveguide of oxyfluoride glass was fabricated by Ag+-Na+ ion-exchange. The Inverse Wentzel-Kramer-Brillouin method was applied to calculate the effective indices measured with the prism coupler technique, and the refractive-index profiles were fitted using a Gaussian function. The maximum refractive-index change (Δn) and the effective diffusion constant (De) were calculated to be 0.0367 μm2/s and 0.012 μm2 s, respectively. The effect of the diffusion time on the waveguide properties was also investigated.

Original languageEnglish
Pages (from-to)1463-1466+1471
JournalKuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society
Volume36
Issue number10
StatePublished - Oct 2008
Externally publishedYes

Keywords

  • Inverse Wentzel-Kramer-Brillouin method
  • Ion exchange
  • Oxyfluoride glass
  • Prism-coupling technique
  • Slab waveguide

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