D-Shaped Photonic Crystal Fiber Toxic Metal Ions (Arsenic) Sensor Based on Surface Plasmon Resonance. Iraqi Journal of Physics, [S. l.], v. 21, n. 2, p. 91–98, 2023. DOI: 10.30723/ijp.v21i2.1120. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/1120.. Acesso em: 4 may. 2024.