N. Andrushchak, D. Vynnyk, Y. Yashchyshyn, V. Haiduchok, P. Bajurko, K. Godziszewski, A. Andrushchak
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Estimation of the Diffraction Efficiency of Oxide Single Crystals Acousto-Optic Devices in the Sub-Terahertz Frequency Range
In this paper, we have obtained the ratio for the diffraction efficiency of the interaction of terahertz electromagnetic radiation and the acoustic wave, taking into account the absorption of both acoustic and electromagnetic waves. It also took into account the reflection of electromagnetic waves at the input and output surfaces of the lightsoundwire. Furthermore, requirements have been formed both for materials that can be used for the development of acousto-optic devices which can operate in the terahertz frequency range. We have evaluated the magnitude of the acousto-optic performance of devices based on oxide single crystals, which can operate in the sub-Terahertz frequency range.