Elasto-optic Effect and Its Spatial Anisotropy in Ca3TaGa3Si2O14 Crystals

Mytsyk, Bohdan and Suhak, Yuriy and Demyanyshyn, Nataliya and Buryy, Oleh and Syvorotka, Nataliya and Sugak, Dmytro and Ubizskii, Serhii and Fritze, Holger (2021) Elasto-optic Effect and Its Spatial Anisotropy in Ca3TaGa3Si2O14 Crystals. In: Newest Updates in Physical Science Research Vol. 5. B P International, pp. 164-180. ISBN 978-93-90888-41-2

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Abstract

An interferometric approach according to a single-pass Mach-Zehnder interferometer was used to investigate the photoelasticity of the Ca3TaGa3Si2O14 (CTGS) crystal. The highest number of sample orientations for piezo-optic studies was used to demonstrate the accuracy of piezo-optic coefficient determination. Basing on the matrices of piezo-optic coefficients and of elastic stiffness coefficients, all the coefficients pik of the elastic-optic matrix are computed. The acousto-optic efficiency is assessed for the highest value of pik coefficient. The data from CTGS are validated with the similar values for La3Ga5SiO14 (langasite) crystals. CTGS M2 = 1.66·10-15 s3/kg has the greatest acoustooptic figure of merit, which is two to three times higher, compared to langasite, and strontium borate, respectively and are frequently employed in the UV spectral range for acousto-optic light modulation.

Item Type: Book Section
Subjects: Opene Prints > Physics and Astronomy
Depositing User: Managing Editor
Date Deposited: 31 Oct 2023 04:44
Last Modified: 31 Oct 2023 04:44
URI: http://geographical.go2journals.com/id/eprint/2841

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