Hydroxyl groups in high-purity glasses for fiber optics I: silica glasses

Victor G. Plotnichenko; V. O. Sokolov; Eugeni M. Dianov

doi:10.1117/12.385653

17 May 2000 Hydroxyl groups in high-purity glasses for fiber optics I: silica glasses

Victor G. Plotnichenko, V. O. Sokolov, Eugeni M. Dianov

Author Affiliations +

Proceedings Volume 4083, Advances in Fiber Optics; (2000) https://doi.org/10.1117/12.385653
Event: Advances in Fiber Optics, 2000, Moscow, Russian Federation

Abstract

IR absorption spectra of high-purity silica glass (SiO₂) containing from 0.1 to 10³ ppm of hydroxyl (OH) groups were studied and quantum-chemical calculation of OH groups embedded in different ways in the silica glass network was performed. On this basis a new approach to the problem of OH groups embedding in the glass network is proposed: hydroxyl occurs in high-purity SiO₂ mainly as single groups rather than paired groups and some of them are hydrogen- bonded to bridging oxygen atoms, and not only to each other, as it is considered now. New decomposition of the fundamental OH stretching vibrational band into components was proposed.

Citation Download Citation

Victor G. Plotnichenko, V. O. Sokolov, and Eugeni M. Dianov "Hydroxyl groups in high-purity glasses for fiber optics I: silica glasses", Proc. SPIE 4083, Advances in Fiber Optics, (17 May 2000); https://doi.org/10.1117/12.385653

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