All Fiber Chemical Liquids Refractive Index Sensor Based on Multimode Interference. Iraqi Journal of Laser, [S. l.], v. 17, n. A, p. 33–39, 2017. DOI: 10.31900/ijl.v17iA.32. Disponível em: https://ijl.uobaghdad.edu.iq/index.php/IJL/article/view/32.. Acesso em: 5 may. 2024.