Duc, Hoang, Tran, Le, Thao, Tran, Lanh, Chu, AND Thuy, Nguyen. " Design and Study on Square Lattice-Based Photonic Crystal Fiber with CCl4 Infiltration under Different Air Holes in the Cladding" VNU Journal of Science: Natural Sciences and Technology [Online], Volume 40 Number 4 (10 December 2024)