Thuy Linh, Nguyen, 		Thanh Tung, Nguyen, 		An Khanh, Le, 		Gia Khanh, To, 		Thi Hai, Tran, 		Bien, Chu Van, AND 		Thi Hue, Nguyen.
" Numerical Study on Micro-optical Vortex Generation  with the Use of an Achromatic Nanostructured Phase Mask" <em>VNU Journal of Science: Mathematics - Physics</em> [Online], (4 March 2026)