Mai, V. H., C. D. . Duong, H. H. . Le, L. K. . Tran, A. Jaffré, E. . Blanc, and O. . Schneegans. “Simple Design of Double-Layer Antireflection Coating for Er-Doped Glass Laser Application”. Communications in Physics, vol. 32, no. 4, Sept. 2022, p. 353, doi:10.15625/0868-3166/17137.