Vapor phase deposition of transition metal fluoride glasses

Brigitte Boulard; Charles Jacoboni

doi:10.1117/12.46024

1 August 1991 Vapor phase deposition of transition metal fluoride glasses

Brigitte Boulard, Charles Jacoboni

Proceedings Volume 1513, Glasses for Optoelectronics II; (1991) https://doi.org/10.1117/12.46024
Event: ECO4 (The Hague '91), 1991, The Hague, Netherlands

Abstract

Multicomponent fluoride glasses in the PbF2-ZnF2-GaF3 (PZG) vitreous ternary system have been prepared by vapor phase deposition. The thermal stability of the deposited glass was improved by adding stabilizing agents (AlF3, NaF, LiF, InF3). The thin films, deposited on different substrates (fluoride glass, fluoride single crystal, metal, and silica glass) have been characterized by x-ray diffraction. Differential scanning calorimetry (DSC) and secondary ion mass spectroscopy (SIMS). The quality of the film, adherence, and homogeneity was controlled by scanning electronic microscopy (SEM). The optical characteristics of the film and PZG glass are given: the visible-infrared (VIS-IR) window is 0.3-8 micrometers and the refractive index 1.59+/- 0.2 depends on the lead content. Mn2+ doped films (up to 3 mole % MnF2) are optically active: Mn2+ exhibits a broad luminescence band at 560-570 nm (orange). The achieved film thickness varies from 0.5 to 80 micrometers , and the refractive index gradient approaches the required geometry for planar waveguides (doping of the film with lanthanides is in progress).

Citation Download Citation

Brigitte Boulard and Charles Jacoboni "Vapor phase deposition of transition metal fluoride glasses", Proc. SPIE 1513, Glasses for Optoelectronics II, (1 August 1991); https://doi.org/10.1117/12.46024

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