Acoustic and acousto-optic properties of Ga10Ge15Te75 glass

IF 3.2 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS Journal of Non-crystalline Solids Pub Date : 2024-11-09 DOI:10.1016/j.jnoncrysol.2024.123299

V.S. Khorkin , E.I. Kostyleva , S.N. Mantsevich , A.P. Velmuzhov , E.A. Tyurina , M.V. Sukhanov , V.S. Shiryaev

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Abstract

The acoustic and acousto-optic (AO) properties of the Ga₁₀Ge₁₅Te₇₅ glass, which is promising for creation of AO devices operating with the near and middle infrared optical radiation, are studied. In this paper, the experimental results for the longitudinal and shear acoustic waves phase velocities and the AO figure of merit (M₂) in case of isotropic diffraction by these waves are presented. All measurements are carried out for the 3.39 µm optical wavelength. The obtained M₂ magnitudes turned out to be close to 1000·10^–15s³/kg that significantly exceeds the typical values observed in germanium (Ge) crystal – the basic material for middle infrared AO devices fabrication. The experimentally determined longitudinal acoustic wave attenuation coefficient for 100 MHz ultrasound frequency turns out to be 1.32 ± 0.05 cm^-1. Finally, the acoustic and AO properties of telluride based glasses with the close chemical composition, namely Ga₁₀Ge₁₅Te₇₅, Si₂₅Te₇₅ and Ge₂₅Se₁₅Te₆₀ glasses, are compared.

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Ga10Ge15Te75 玻璃的声学和声光特性

Ga10Ge15Te75 玻璃具有良好的声学和声光（AO）特性，有望用于制造使用近红外和中红外光辐射的 AO 设备，本文对这种玻璃的声学和声光特性进行了研究。本文介绍了纵向声波和剪切声波相位速度的实验结果，以及这些声波在各向同性衍射情况下的 AO 优点系数 (M2)。所有测量都是在 3.39 µm 光波长下进行的。所获得的 M2 值接近 1000-10-15s3/kg，大大超过了在锗晶体中观察到的典型值--锗晶体是制造中红外自动光学器件的基本材料。实验测定的 100 MHz 超声波频率的纵向声波衰减系数为 1.32 ± 0.05 cm-1。最后，比较了化学成分接近的碲基玻璃（即 Ga10Ge15Te75、Si25Te75 和 Ge25Se15Te60 玻璃）的声学和 AO 特性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Non-crystalline Solids 工程技术-材料科学：硅酸盐

CiteScore

6.50

自引率

11.40%

发文量

576

审稿时长

35 days

期刊介绍： The Journal of Non-Crystalline Solids publishes review articles, research papers, and Letters to the Editor on amorphous and glassy materials, including inorganic, organic, polymeric, hybrid and metallic systems. Papers on partially glassy materials, such as glass-ceramics and glass-matrix composites, and papers involving the liquid state are also included in so far as the properties of the liquid are relevant for the formation of the solid. In all cases the papers must demonstrate both novelty and importance to the field, by way of significant advances in understanding or application of non-crystalline solids; in the case of Letters, a compelling case must also be made for expedited handling.