ANDESON, SG. DIRECTIONALITY SHOWDOWN: INVESTIGATING BEAM DIVERGENCE AND WAVELENGTH IN SEMICONDUCTOR AND HELIUM-NEON LASERS. Advanced Journal of Environmental Sciences (AJES), [S. l.], v. 14, n. 7, p. 15–29, 2023. Disponível em: https://zapjournals.com/Journals/index.php/ajes/article/view/857. Acesso em: 5 sep. 2025.