Ó Dúill, Seán P. ORCID: 0000-0002-7690-4474, Phelan, Richard, Gleeson, Michael, Byrne, Diarmuid, O'Carroll, John, Boylan, Neal, Nawrocka, Marta, Lambkin, Emma, Carney, Kevin, Maigyte, Lina, Lennox, Rob, Somers, Jim, Kelly, Brian, Bartlow, Matthew J., Foote, David B., Heiniger, Adam T., Haimberger, Chris, von Sivers, Moritz, Bachmann, Alexander, Löffler, Florian, Pavlov, N., Jost, John D. and Barry, Liam P. ORCID: 0000-0001-8366-4790 (2023) Development of small form factor packaged single-mode semiconductor laser for spectroscopic applications at 689nm. Journal of Optics and Laser Technology, 162 . ISSN 0030-3992