Concentration Profile On Binary Silica Glasses Through Molecular Electronic Polarizability

Autor:	R. De Franceschi, Livio Cognolato, Eros Modone, G. Cocito
Rok vydání:	1989
Předmět:	Optics Materials science Silica glass business.industry Polarizability Analytical chemistry Physics::Optics Binary number Refractive index profile business Mole fraction Refractive index
Zdroj:	SPIE Proceedings.
ISSN:	0277-786X
DOI:	10.1117/12.961472
Popis:	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.
Databáze:	OpenAIRE
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