VUV and soft x-ray emission from pre-plasmas irradiated with picosecond and femtosecond pulses

Adrian Murphy; John S. Hirsch; Deirdre Kilbane; Eugene T. Kennedy; Mohamed A. Khater; Jean-Paul Mosnier; Amit Neogi; Gerard D. O'Sullivan; Ciaran L. S. Lewis; S. Topping; Rob J. Clarke; Edwin J. Divall; Peta Foster; Chris J. Hooker; Andrew J. Langley; David Neely; Padraig Dunne; John T. Costello

doi:10.1117/12.464228

27 August 2003 VUV and soft x-ray emission from pre-plasmas irradiated with intense picosecond and femtosecond pulses

Adrian Murphy, John S. Hirsch, Deirdre Kilbane, Eugene T. Kennedy, Mohamed A. Khater, Jean-Paul Mosnier, Amit Neogi, Gerard D. O'Sullivan, Ciaran L. S. Lewis, S. Topping, Rob J. Clarke, Edwin J. Divall, Peta Foster, Chris J. Hooker, Andrew J. Langley, David Neely, Padraig Dunne, John T. Costello

Author Affiliations +

Proceedings Volume 4876, Opto-Ireland 2002: Optics and Photonics Technologies and Applications; (2003) https://doi.org/10.1117/12.464228
Event: OPTO Ireland, 2002, Galway, Ireland

Abstract

We report here some observations and preliminary findings from a study focussed on the vacuum-UV (λ, 40-60 nm) radiation emitted during the interaction of 150 ps laser pulses (100-400 mJ) with copper pre-plasmas formed by an electro-optically synchronised (0.1 - 0.8 J, 8 ns) long pulse laser. We have observed significant gains in VUV flux that scale with inter-laser delay. We also report preliminary observations on total X-ray emission from the interaction of a superintense 80 fs, 200 mJ laser pulse at the UK ASTRA laser facility with a similar pre-plasma at irradiances approaching 1019 W/cm2

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Adrian Murphy, John S. Hirsch, Deirdre Kilbane, Eugene T. Kennedy, Mohamed A. Khater, Jean-Paul Mosnier, Amit Neogi, Gerard D. O'Sullivan, Ciaran L. S. Lewis, S. Topping, Rob J. Clarke, Edwin J. Divall, Peta Foster, Chris J. Hooker, Andrew J. Langley, David Neely, Padraig Dunne, and John T. Costello "VUV and soft x-ray emission from pre-plasmas irradiated with intense picosecond and femtosecond pulses", Proc. SPIE 4876, Opto-Ireland 2002: Optics and Photonics Technologies and Applications, (27 August 2003); https://doi.org/10.1117/12.464228

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