Andeson, SG. “DIRECTIONALITY SHOWDOWN: INVESTIGATING BEAM DIVERGENCE AND WAVELENGTH IN SEMICONDUCTOR AND HELIUM-NEON LASERS”. Advanced Journal of Environmental Sciences (AJES) 14, no. 7 (August 16, 2023): 15–29. Accessed September 5, 2025. https://zapjournals.com/Journals/index.php/ajes/article/view/857.