Acoustic and acousto-optic properties of lithium based biaxial crystals: LiGaSe2, LiInSe2 and LiInS2

被引：1

作者：

Khorkin, Vladimir S. ^{[1
]}

Milkov, Maxim G. ^{[1
]}

Mantsevich, Sergey N. ^{[1
]}

Kupreychik, Maxim I. ^{[1
]}

Lobanov, Sergey I. ^{[2
,3
]}

Vedenyapin, Vitaly N. ^{[2
]}

机构：

[1] Lomonosov Moscow State Univ, Phys Dept, Leninskie Gory 1,Bd 2, Moscow 119991, Russia

[2] RAS, SB, Lab Crystal Growth, VS Sobolev Inst Geol & Mineral, Ac Koptyugave 3, Novosibirsk 630090, Russia

[3] Novosibirsk State Univ, Phys Fac, Lab Funct Mat, Pirogova Str 2, Novosibirsk 630090, Russia

来源：

OPTICAL MATERIALS | 2024年 / 157卷

基金：

俄罗斯科学基金会;

关键词：

Biaxial crystal; Acoustics; Acousto-optics; Figure of merit; Lithium; DIFFRACTION; GENERATION;

D O I：

10.1016/j.optmat.2024.116202

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present the results of an experimental investigation of the lithium based biaxial crystals' acoustic acousto-optic properties: lithium selenogallate (LiGaSe2), lithium indium selenide (LiInSe2) and lithium indate (LiInS2). The velocities of longitudinal and shear acoustic waves propagating along the crystal axes determined for the first time. We have also calculated the values of the six elastic constants c ii (i = 1-6). In paper we present the result of the experimental investigation of the acousto-optic figure of merit. We measured the acousto-optic figure of merit for the first time in the case of diffraction by the longitudinal acoustic waves. Using the obtained experimental data we have computed the values of nine photoelastic coefficients j = 1-3) for each investigated lithium based biaxial crystal.

引用

页数：8

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