Performances of a VIPA-based spectrometer for Brillouin scattering experiments in the diamond anvil cell under laser heating

被引：3
作者：
Forestier, A. [1 ,2 ]
Weck, G. [1 ,2 ]
Datchi, F. [3 ]
Loubeyre, P. [1 ,2 ]
机构：
[1] CEA DAM DIF, F-91297 Arpajon, France
[2] Univ Paris Saclay, Bruyeres Le Chatel, France
[3] Sorbonne Univ, Museum Natl Hist Nat, UMR CNRS 7590, Paris, France
来源：
HIGH PRESSURE RESEARCH | 2022年 / 42卷 / 03期
关键词：
Brillouin scattering; VIPA; laser heating; diamond anvil cell; nitrogen; melting; IMAGED PHASED-ARRAY; HIGH-PRESSURE; REFRACTIVE-INDEX; ICE-VI; H2O; VELOCITIES; DISPERSION; WATER;
D O I：
10.1080/08957959.2022.2109968
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
VIPA-based Brillouin spectroscopy is implemented for in-situ measurements at high pressure and temperature in laser-heated diamond anvil cells. Its performances are compared to those of the widely used Tandem Fabry-Perot instrument. A significant reduction of the collection time is in particular enabled. The usefulness of VIPA-Brillouin spectroscopy for High Pressure studies is here illustrated by revisiting the nitrogen melting curve up to 45 GPa. VIPA-Brillouin spectroscopy has the potential to become an important platform to investigate the equation of state properties of warm dense molecular systems.
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收藏
页码：259 / 277
页数：19
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