New Fluoride Glasses for the Preparation of Infrared Optical Fibers

Abstract

New zirconium-free fluoride glasses are investigated for I.R. optical fibers operating up to 5-5.5 um. A five-component glass having the composition in molar percent fluoride Ba30In30Zn20Y10Th10 has been optimized for rods and preforms preparation. F/C1 substitution as well as Na addition allow small variations in the refractive index. Two attempts on rods fibering were positive and demonstrated the possibility of obtaining BIZYT optical fibers without significant crystallization. Purification of indium and Yb based materials has been undertaken. Keywords: Fluoride glasses, Indium-based, Zirconium, Optical fibers, Viscosity, Purification.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1988
Accession Number
ADA199400

Entities

People

  • J. Lucas

Organizations

  • University of Rennes 1

Tags

DTIC Thesaurus Topics

  • Chemical Compounds
  • Contracts
  • Crystallization
  • Elements
  • Fibers
  • Fluoride Glass
  • Fluorides
  • Glass
  • Materials
  • Mathematics
  • Measurement
  • Optical Fibers
  • Refractive Index
  • Security
  • Vapor Pressure
  • Viscosity
  • Zirconium

Fields of Study

  • Materials science
  • Physics

Readers

  • Materials Science and Engineering.
  • Reinforced Composite Materials