Raman spectroscopy and the origin of electrooptical Kerr phenomenon in niobium alkali-silicate glasses
AA Lipovskii, DK Tagantsev, AA Vetrov, OV Yanush - Optical Materials, 2003 - Elsevier
It is shown that magnitudes of the Kerr coefficient and permittivity of 19Na2O–11K2O–
2B2O3–2CdO–(66− x) SiO2–xNb2O5 glasses, where 0< x< 37, correlate with the content of
the Na2O· Nb2O5 groupings, with that content being estimated by Raman scattering data.
This allows assigning to these groupings, or to other structural entities containing such
groupings (for example, crystal motifs), the responsibility for high-polarizability and Kerr
sensitivity of the glasses.
2B2O3–2CdO–(66− x) SiO2–xNb2O5 glasses, where 0< x< 37, correlate with the content of
the Na2O· Nb2O5 groupings, with that content being estimated by Raman scattering data.
This allows assigning to these groupings, or to other structural entities containing such
groupings (for example, crystal motifs), the responsibility for high-polarizability and Kerr
sensitivity of the glasses.
[引用][C] Raman spectroscopy and the origin of electrooptical Kerr phenomenon in niobium alkali-silicate glasses
A Lipovskii, DK Tagentsev… - GLASS …, 2004 - VERLAG DER DEUTSCHEN …
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