Assafli, H., Abdulhadi, A. and Nassir, W. (2019) “Design High Efficient Reflectivity of Distributed Bragg Reflectors”, Iraqi Journal of Laser, 15(A), pp. 13-18. Available at: http://ijl.uobaghdad.edu.iq/index.php/IJL/article/view/51 (Accessed: 26November2019).