Efficient acousto-optic crystal, TIInS2: acoustic and elastic anisotropy

被引：19

作者：

Martynyuk-Lototska, I. ^{[1
]}

Trach, I. ^{[1
]}

Kokhan, O. ^{[2
]}

Vlokh, R. ^{[1
]}

机构：

[1] Vlokh Inst Phys Opt, 23 Dragomanov St, UA-79005 Lvov, Ukraine

[2] Uzhgorod Natl Univ, Dept Inorgan Chem, 46 Pidhirna St, UA-88000 Uzhgorod, Ukraine

来源：

APPLIED OPTICS | 2017年 / 56卷 / 11期

关键词：

INCOMMENSURATE PHASE; OPTICAL-PROPERTIES; TLINS2; TLGASE2; GROWTH;

D O I：

10.1364/AO.56.003179

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have studied experimentally the acoustic wave velocities for TIInS2 crystals and determined all components of their elastic stiffness and compliance tensors. It has been found that TIInS2 reveals small elastic anisotropy with respect to normal mechanical stresses. The compliance components S-44 and S-55 are very large, thus suggesting that the TIInS2 crystals are extremely compliant to the shear stresses in the cleavage plane. We have also revealed that the velocities of some of the quasi-transverse waves are very low (similar to 725 m/s), leading to extremely high acousto-optic figures of merit (similar to 2200-9000 x 10(-15) s(3)/kg). This implies that the crystals under study can prove to be a very efficient acousto-optic material. (C) 2017 Optical Society of America

引用

页码：3179 / 3184

页数：6

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