Theoretical Analysis of Object Displacement Sensor using Single Mode and Multimode Fiber Coupler. International Journal of Current Engineering and Technology, [S. l.], v. 7, n. 1, p. 213–216, 2017. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/2081. Acesso em: 13 mar. 2026.