Section 4. Linear optical and mechanical properties of glasses: Refractive index dispersion of gallium lanthanum sulfide and oxysulfide glasses

Hiroyuki Yayama, Shigeru Fujino, Kenji Morinaga, Hiromichi Takebe, Daniel W. Hewak, David N. Payne

Research output: Contribution to journalArticle

Abstract

Refractive indexes were measured for Ga2S3-La2S3 and Ga2S3-La2O3 samples in the range of 0.48-1.71 μm using the minimum deviation method. Data are analyzed by the Wemple equation, which is based on the single-oscillator model. These samples have relatively large average bandgaps, E0, and electronic oscillator strengths, Ed, in comparison with other chalcogenide glasses. Possible origins of these features are discussed.

Original languageEnglish
Pages (from-to)187-191
Number of pages5
JournalJournal of Alloys and Compounds
Volume239
Issue number1
Publication statusPublished - May 15 1996

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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