Concentration Profile On Binary Silica Glasses Through Molecular Electronic Polarizability

G. Cocito; L. Cognolato; R. De Franceschi; E. Modone

doi:10.1117/12.961472

21 December 1989 Concentration Profile On Binary Silica Glasses Through Molecular Electronic Polarizability

G. Cocito, L. Cognolato, R. De Franceschi, E. Modone

Proceedings Volume 1128, Glasses for Optoelectronics; (1989) https://doi.org/10.1117/12.961472
Event: 1989 International Congress on Optical Science and Engineering, 1989, Paris, France

Abstract

A method to derive the concentration profile directly by the refractive index profile measurements was developed for binary silica glasses. Using the Lorenz-Lorentz relation, it is possible to derive the molecular electronic polarizability values at 632.8 nm from the RNF measurements on fibres and EDS concentration measurements on preform discs. Substituting these values a direct relation between the refractive index and the molar fraction can be obtained. A good agreement between the concentration profile derived with our method and the EDS results was observed.

Citation Download Citation

G. Cocito, L. Cognolato, R. De Franceschi, and E. Modone "Concentration Profile On Binary Silica Glasses Through Molecular Electronic Polarizability", Proc. SPIE 1128, Glasses for Optoelectronics, (21 December 1989); https://doi.org/10.1117/12.961472

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