Pangilinan, P.G., Tapang, G. and Improso, W.D.G. 2020. Using the angular spectrum method and Fresnel transform as kernels in a modified Gerchberg-Saxton algorithm. Proceedings of the Samahang Pisika ng Pilipinas, 38(1), SPP-2020-3D-06. URL: https://proceedings.spp-online.org/article/view/SPP-2020-3D-06.