Hirsch, John S., Kavanagh, Kevin D., Kennedy, Eugene T. ORCID: 0000-0002-0710-5281, Costello, John T. ORCID: 0000-0003-4677-9999, Nicolosi, P. and Poletto, L. (2004) Tracking ground state Ba+ ions in an expanding laser–plasma plume using time-resolved vacuum ultraviolet photoionization imaging. Laser and Particle Beams, 22 (3). pp. 207-213. ISSN 0263-0346

Hirsch, John S. (2003) Vacuum-UV photoabsorption imaging of laser produced plasmas. PhD thesis, Dublin City University.

Hirsch, John S., Kennedy, Eugene T. ORCID: 0000-0002-0710-5281, Neogi, A., Costello, John T. ORCID: 0000-0003-4677-9999, Nicolosi, P. and Poletto, L. (2003) Vacuum-ultraviolet photoabsorption imaging system for laser plasma plume diagnostics. Review of Scientific Instruments, 74 (6). pp. 2992-2998. ISSN 0034-6748

van Kampen, Paul, Gerth, Ch., Martins, M., Carroll, P.K., Hirsch, John S., Kennedy, Eugene T. ORCID: 0000-0002-0710-5281, Meighan, Oonagh, Mosnier, Jean-Paul ORCID: 0000-0002-9312-1754, Zimmermann, P. and Costello, John T. ORCID: 0000-0003-4677-9999 (2000) Photoabsorption and photoion spectroscopy of atomic uranium in the region of 6p and 5d excitations. Physical Review A, 61 (6). 062706-1. ISSN 1050-2947

Hirsch, John S., Meighan, Oonagh, Mosnier, Jean-Paul ORCID: 0000-0002-9312-1754, van Kampen, Paul, Whitty, William, Costello, John T. ORCID: 0000-0003-4677-9999, Lewis, C.L.S., MacPhee, A.G., Hirst, G.J., Westhall, J. and Shaikh, W. (2000) Vacuum-ultraviolet resonant photoabsorption imaging of laser produced plasmas. Journal of Applied Physics, 88 (9). pp. 4953-4960. ISSN 0021-8979