A simple and convenient set-up for high-temperature Brillouin light scattering

被引:40
作者
Guerette, Michael [1 ]
Huang, Liping [1 ]
机构
[1] Rensselaer Polytech Inst, Dept Mat Sci & Engn, Troy, NY 12180 USA
基金
美国国家科学基金会;
关键词
ELASTIC PROPERTIES; FUSED QUARTZ; SIO2; GLASS; SPECTROSCOPY; LIQUIDS; MODULI; FILMS; CELL;
D O I
10.1088/0022-3727/45/27/275302
中图分类号
O59 [应用物理学];
学科分类号
摘要
An emulated platelet geometry (or reflection-induced platelet geometry) is employed to collect photons scattered from both longitudinal and transverse acoustic waves travelling within a bulk transparent sample sitting on a reflective Pt plate. Temperature of the sample was controlled with a Linkam TS1500 optical furnace (maximum temperature of 1500 degrees C). This simple and convenient set-up allows a full determination of elastic constants of transparent materials in situ as a function of temperature from Brillouin light scattering. Structural information can be gained at the same time by guiding the scattered light into a Raman spectrometer using a flipping mirror or a beam splitter. We will demonstrate the applications of this set-up in transparent inorganic glasses, but it can be easily extended to any other transparent materials, either crystalline or amorphous in nature.
引用
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页数:7
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