I.T.Abed-Ali, C.A.Emshary. Determination of nonlinear refractive index of paprika oil and pepper oil under cw visible laser illumination . UTJ [Internet]. 2019 Apr. 23 [cited 2025 Oct. 3];12(3):90-101. Available from: https://www.jutq.utq.edu.iq/index.php/main/article/view/103