BRILLOUIN AND RAMAN CROSS-SECTIONS IN SILICATE-GLASSES

被引：5
|
作者：
BENASSI, P
MAZZACURATI, V
MONACO, G
RUOCCO, G
SIGNORELLI, G
机构：
[1] UNIV LAQUILA,DIPARTIMENTO SCI & TECNOL BIOMETR & BIOMETRIA,I-67100 LAQUILA,ITALY
[2] UNIV LAQUILA,DIPARTIMENTO FIS,I-67100 LAQUILA,ITALY
来源：
PHYSICAL REVIEW B | 1995年 / 52卷 / 02期
关键词：
D O I：
10.1103/PhysRevB.52.976
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Light-scattering measurements of Raman and Brillouin spectra of silicate glasses are presented. Spectra collected in a wide frequency range allow us to measure the low-frequency Brillouin doublet and the frequency-extended Raman spectrum. As a result we are able to determine the elasto-optic constants as well as the Raman efficiency in polarized and depolarized scattering configurations. Particular attention is devoted to the integrated intensity of Raman scattering in the medium frequency range (0-100 cm(-1)) where spectra are ascribed to intramolecular modes of the glassy structure.
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页码：976 / 981
页数：6
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