E. M. Dianov, V. V. Koltashev, V. M. Mashinsky, V. B. Neustruev, V. G. Plotnichenko, O. D. Sazhin, V. A. Sidorov, “Influence of UV irradiation and of high-pressure treatment on the UV absorption and Raman scattering spectra of germanosilicate glass”, Kvantovaya Elektronika, 1998, Volume 25, Number 2,Pages <nobr>103

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Letters to the editor

Influence of UV irradiation and of high-pressure treatment on the UV absorption and Raman scattering spectra of germanosilicate glass

E. M. Dianov^a, V. V. Koltashev^a, V. M. Mashinsky^a, V. B. Neustruev^a, V. G. Plotnichenko^a, O. D. Sazhin^a, V. A. Sidorov^b

^a Fiber Optics Research Center of the Russian Academy of Sciences, Moscow
^b Institute for High Pressure Physics, Russian Academy of Sciences, Troitsk

Abstract: UV laser irradiation and hydrostatic compression of germanosilicate glass resulted in different changes in the glass structure. Modifications of the glass structure by UV irradiation were localised near dissociated germanium oxygen-deficient centres. Destruction of these defects was assumed to stimulate formation of threefold rings containing Ge – O &bdash; Ge bonds.

PACS: 42.70.Ce, 61.72.Ji, 78.30.Ly, 78.40.Pg

Received: 03.10.1997