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Laser Plasmas and Spectroscopy - NCPST - Page 5

Laser Plasmas and Spectroscopy

Our research is focused on the interaction of intense lasers with matter, in all of its forms. Current applications include finding novel materials for next generation semiconductor manufacturing and laser based methods for contaminant analysis and removal from wind turbine blades.

About the Research Area

When an intense laser interacts with matter (in all of its forms), a set of complex optical and plasma processes are set in motion. By spectroscopically analysing the light emitted (or absorbed) during the interaction these processes can be understood, and even manipulated. A host of applications are enabled in areas as diverse as energy generation, manufacturing, novel materials and environmental monitoring. We collaborate widely with international laboratories and industrial partners on all aspects of the work from theory to experiment to translation.

Research Projects

Laser Clean Project – https://laserclean.ie/

Laser Plasmas and Spectroscopy Publications

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Simultaneous determination of radiative and nonradiative decay channels in the neon K shell. Kanngießer, B; Jainz, M; Brünken, S; Benten, W; Gerth, C; Godehusen, K; Tiedtke, K; van Kampen, P; Tutay, A; Zimmermann, P; Demekhin, V.F; Kochur, A.G. Physical Review A – Atomic, Molecular, and Optical Physics 2000

2p3 triply excited hollow resonance of lithium: measurement and calculation of partial cross sections and angular behaviour. Diehl, S; Cubaynes, D; Zhou, H.S; VoKy, L; Wuilleumier, F.J; Kennedy, E.T; Bizau, J.M; Manson, S.T; Blancard, C; Berrah, N; Bozek, J. Journal of Physics B: Atomic, Molecular and Optical Physics 2000

Application of a picosecond laser plasma continuum light source to a dual-laser plasma photoabsorption experiment. Meighan, O; Danson, C; Dardist, L; Lewis, C; MacPhee, A; McGuinness, C; O’Rourke, R; Shaikh, W; Turcu, I.C.E; Costello, J.T. Journal of Physics B: Atomic, Molecular and Optical Physics 2000

Vacuum-ultraviolet resonant photoabsorption imaging of laser produced plasmas. Hirsch, J.S; Meighan, O; Mosnier, J.-P; Van Kampen, P; Whitty, W.W; Costello, J.T; Lewis, C.L.S; MacPhee, A.G; Hirst, G.J; Westhall, J; Shaikh, W. Journal of Applied Physics 2000

Photoabsorption spectrum of laser-generated Li+ in the 60-190 eV photon energy range. Mosnier, J.-P; Costello, J; Kennedy, E; Whitty, W. Journal of Physics B: Atomic, Molecular and Optical Physics 2000

Photoabsorption and photoion spectroscopy of atomic uranium in the region of 6p and 5d excitations. Van Kampen, P; Gerth, Ch; Martins, M; Carroll, P.K; Hirsch, J; Kennedy, E.T; Meighan, O; Mosnier, J.-P; Zimmermann, P; Costello, J.T. Physical Review A – Atomic, Molecular, and Optical Physics 2000

Photoabsorption and photoion spectroscopy of atomic uranium in the region of [Formula Presented] and [Formula Presented] excitations. van Kampen, P; Gerth, C; Martins, M; Carroll, P.K; Hirsch, J; Kennedy, E.T; Meighan, O; Mosnier, J.-P; Zimmermann, P; Costello, J.T. Physical Review A – Atomic, Molecular, and Optical Physics 2000

Time-integrated laser-induced plasma spectroscopy in the vacuum ultraviolet for the quantitative elemental characterization of steel alloys. Khater, M.A; Van Kampen, P; Costello, J.T; Mosnier, J.-P; Kennedy, E.T. Journal of Physics D: Applied Physics 2000

Looking at the bright side of VUV SASE FELs. Kennedy, E.T. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 2000

Angle-resolved photoelectron spectrometry studies of the autoionization of the 2s2 2p2 P triply excited state of atomic lithium: Experimental results and R-matrix calculations. Diehl, S; Cubaynes, D; Zhou, H.L; VoKy, L; Wuilleumier, F.J; Kennedy, E.T; Bizau, J.M; Manson, S.T; Morgan, T.J; Blancard, C; Berrah, N; Bozek, J. Physical Review Letters 2000

The evolution of 4d photoabsorption in Sb with increasing ionization. D’Arcy, R; Costello, J.T; Kennedy, E.T; McGuinness, C; Mosnier, J.P; O’Sullivan, G. Journal of Physics B: Atomic, Molecular and Optical Physics 2000

Vacuum-UV absorption spectrum of a laser-produced chromium plasma: 3p-subshell photoabsorption by Cr2+ ions. McGuinness, C; Martins, M; Van Kampen, P; Hirsch, J; Kennedy, E.T; Mosnier, J.-P; Whitty, W.W; Costello, J.T. Journal of Physics B: Atomic, Molecular and Optical Physics 2000

4d → 5p transitions in the extreme ultraviolet photoabsorption spectra of Sn II and Sn III. Duffy, G; Van Kampen, P; Dunne, P. Journal of Physics B: Atomic, Molecular and Optical Physics 2001

Time dependence of rotational state populations of excited hydrogen molecules in an RF excited plasma reactor. Gans, T; Schulz-Von Der Gathen, V; Döbele, H.F. Plasma Sources Science and Technology 2001

Wave-function collapse with increasing ionization: 4d photoabsorption of Cs through Cs4+. Cummings, A; McGuinness, C; O’Sullivan, G; Costello, J.T; Mosnier, J.P; Kennedy, E.T. Physical Review A – Atomic, Molecular, and Optical Physics 2001

Vacuum-ultraviolet absorption spectrum of the Rb+ ion in a laser-generated plasma. Neogi, A; Kennedy, E.T; Mosnier, J.-P; Van Kampen, P; Costello, J.T; McGuinness, C; O’Sullivan, G. Journal of Physics B: Atomic, Molecular and Optical Physics 2001

Comparison between intensified photodiode array and charge-coupled device detectors in the vacuum ultraviolet for laser-induced plasma spectroscopy. Khater, M.A; Van Kampen, P; Costello, J.T; Mosnier, J.-P; Kennedy, E.T. Applied Spectroscopy 2001

VUV and soft X-ray emission from pre-plasmas irradiated with picosecond and femtosecond pulses. Murphy, A; Hirsch, J.S; Kilbane, D; Kennedy, E.T; Khater, M.A; Mosnier, J.-P; Neogi, A; O’Sullivan, G; Lewis, C.L.S; Topping, S; Clarke, R; Divall, E; Foster, P; Hooker, C; Langley, A; Neely, D; Dunne, P; Costello, J.T. Proceedings of SPIE – The International Society for Optical Engineering 2002

Vacuum-ultraviolet absorption spectrum of the Rb2+ ion in a laser generated plasma. Neogi, A; Martins, M; McGuinness, C; O’Sullivan, G; Kennedy, E.T; Mosnier, J.-P; Van Kampen, P; Costello, J.T. Journal of Physics B: Atomic, Molecular and Optical Physics 2002

Vacuum-UV photoabsorption imaging of laser ablated plumes. Hirsch, J.S; Nicolosi, P; Poletto, L; Kennedy, E.T; Mosnier, J.-P; Neogi, A; Costello, J.T. Proceedings of SPIE – The International Society for Optical Engineering 2002

Optimization of the emission characteristics of laser-produced steel plasmas in the vacuum ultraviolet: Significant improvements in carbon detection limits. Khater, M.A; Costello, J.T; Kennedy, E.T. Applied Spectroscopy 2002

A computational model for selected emission transitions in a laser produced lithium ablation plume. Stapleton, M.W; Mosnier, J.P. Applied Surface Science 2002

Pulsed laser deposition of wide bandgap semiconductor thin films. O’Mahony, D; De Posada, E; Lunney, J.G; Mosnier, J.-P; McGlynn, E. Proceedings of SPIE – The International Society for Optical Engineering 2002

Low-level measurements of carbon concentrations in steel using laser-induced plasma spectroscopy (LIPS). Khater, M.A; Costello, J.T; Mosnier, J.-P; Van Kampen, P; Kennedy, E.T. Proceedings of SPIE – The International Society for Optical Engineering 2002

Trends in autoionization of Rydberg states converging to the 4s threshold in the Kr-Rb+-Sr2+ isoelectonic sequence: Theory and experiment. Neogi, A; Kennedy, E.T; Mosnier, J.-P; Van Kampen, P; Costello, J.T; O’Sullivan, G; Mansfield, M.W.D; Demekhin, Ph.V; Lagutin, B.M; Sukhorukov, V.L. Physical Review A – Atomic, Molecular, and Optical Physics 2003

Vacuum-ultraviolet photoabsorption imaging system for laser plasma plume diagnostics. Hirsch, J.S; Kennedy, E.T; Neogi, A; Costello, J.T; Nicolosi, P; Poletto, L. Review of Scientific Instruments 2003

The 4p-subshell photoabsorption spectrum of singly ionized molybdenum. Mansfield, M.W.D; Costello, J.T; Kennedy, E.T; Mosnier, J.-P. Journal of Physics B: Atomic, Molecular and Optical Physics 2003

New Results in Photoionization of Laser-Excited Atoms. Wuilleumier, F.J; Cubaynes, D; Meyer, M; Canton, S; Kennedy, E; Bozek, J; Bizau, J.-M; Berrah, N. AIP Conference Proceedings 2003

Absolute photoionization cross sections and resonance structure of doubly ionized silicon in the region of the [Formula Presented] threshold: Experiment and theory. Mosnier, J.-P; Sayyad, M.H; Kennedy, E.T; Bizau, J.-M; Cubaynes, D; Wuilleumier, F.J; Champeaux, J.-P; Blancard, C; Varma, R.H; Banerjee, T; Deshmukh, P.C; Manson, S.T. Physical Review A – Atomic, Molecular, and Optical Physics 2003