Stoyanov, L., Gorunski, N., Mincheva, M., Drenkov, P., Lazarov, E. and Dreischuh, A. (2024) “Experimental Verification of the Gouy Phase for Higher-Order Hermite-Gaussian Beams”, Proceedings of the Bulgarian Academy of Sciences. Sofia, Bulgaria, 77(8), pp. 1138–1145. doi: 10.7546/CRABS.2024.08.03.