Kamenev О. T.; PETROV, Y. S.; PODLESNYKH, A. A. Use of 3×3 Coupler in the Fiber Optic Strainmeter Based on Mach-Zehnder Interferometer. KnE Energy, [S. l.], v. 3, n. 3, p. 388–392, 2018. DOI: 10.18502/ken.v3i3.2052. Disponível em: https://knepublishing.com/index.php/KnE-Energy/article/view/2052. Acesso em: 11 may. 2025.