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EU COST Action MP0601 - SWRS
Outline of Laser Plasma and EUV Research at the
NCPST, DCU
John T. Costello National Centre for Plasma
Science Technology (NCPST)/ School of Physical
Sciences, Dublin City University www.physics.dcu.i
e/jtc
EU COST MP0601, Pisa, Nov. 22 - 23 (2007)
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Outline of the Talk

• Who are we ?
• Current Laser Plasma/EUV Facilities Activities
• EUV activities at Synchrotron FEL Sources
• Opportunities for collaboration/ STSMs

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DCU Laser Plasma-EUV Research
Laser Plasma _at_ NCPST - 6 laboratory areas
focussed on pulsed laser matter interactions
(spectroscopy/ imaging)
Academic Staff (4) John T. Costello, Eugene T.
Kennedy, Jean-Paul Mosnier and Paul van
Kampen Current Postdocs (2) Dr. Patrick Hayden,
Dr. Pat Yeates Current PhD students (9)
Caroline Banahan, John Dardis, Padraig Hough,
Conor McLaughlin, Ricky O'Haire, Vincent
Richardson, Dave Smith, Tommy Walsh Jiang
Xi Recent PhD Graduates Mark Stapleton,
Jonathan Mullen, Kevin Kavanagh, Eoin OLeary -
open positions for Oct 2008. Recent Postdocs
Deirdre Kilbane, Hugo de Luna, Jofre
Gutieriez-Pedrogosa, Brendan Doggett, Subo
Chakraborti and Jean-Rene Duclere
Funded by SFI - Frontiers and Investigator HEA -
PRTLI IRCSET - Embark BRGS EU - Marie Curie
EU COST MP0601, Pisa, Nov. 22 - 23 (2007)
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DCU Laser Plasma-EUV Research
Laser Plasma _at_ NCPST - 6 laboratory areas
focussed on pulsed laser matter interactions
(spectroscopy/ imaging)

• Research Domains
• Photoionization of Atoms and Ions with Laser
  Plasma, Synchrotron and Free Electron Laser
  Light Sources
• Optical Diagnostics of Laser Produced Plasmas
• Laser Induced Breakdown Spectroscopy (LIBS) in
  the vacuum-UV
• Pulsed Laser Deposition (PLD) of Materials
• Some Current Projects
• Two colour photoionization of atoms with EUV FELs
  ( LPLS)
• UV-Vis imaging, spectroscopy and interferometry
  of colliding laser produced plasmas
• VUV-LIBS for Elemental Characterisation in Steel
• PLD and in-situ P-type doping of ZnO
  nanostructures

EU COST MP0601, Pisa, Nov. 22 - 23 (2007)
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EUV DLP Photoabsorption

• Backlighting Plasma Io / Both Plasmas I
  Ioe-snL
• Relative Cross Section / sNL Ln(Io/I)
• Species choice ? Dx, DT, I(W/cm2)
• -Species Neutral/ Multiplycharged/Refractory
• - ???? 1500, ?t 10 ns, ?x 250 mm
• -Isonuclear Sequences/ Isoelectronic Sequences
• -NEW (07) Two Colour DLP / MCP gated (lt 5 ns)

Reviews Costello et al., Physica.Scripta T34, 77
(1991)/ E T Kennedy et al., Radiat. Phys. Chem.
70, 291 (2004) Recent Ref D. Kilbane et al.,
Phys. Rev. A 75, 062503 (2007)
Contact Costello/ Kennedy/ van Kampen
EU COST MP0601, Pisa, Nov. 22 - 23 (2007)
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VUV Photoabsorption (Imaging)
Time resolution 10 ns (200 ps - EKSPLA) /
Spectral range10 - 35 eV (120 - 35 nm) VUV
bandwidth 0.05 nm_at_50 nm (50mm slits)/ Spatial
resolution 120 ?m (H) x 150 ?m (V)
Refs J Hirsch et al., Rev. Sci. Inst. 74, 2992
(2003) Laser. Part. Beams 22, 207 (2004) K
Kavanagh, PhD Thesis, DCU (2006) J Mullen, PhD
Thesis, DCU (2006)
-NEW 2008 Adding ion-TOF for 2-Colour
Photoionization in VUV)
Time/space resolved images (33 eV) of Ca species
on an expanding plasma plume
Time/Space resolved column density image - Ca
at 100 ns
Contact Costello
EU COST MP0601, Pisa, Nov. 22 - 23 (2007)
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VUV Laser Induced Plasma Spectroscopy
TISR-VUV-LIPS
Limits of detection lt 2ppm for C/S in Steel
-NEW 2008 Double Pulse VUV-LIPS -NEW 2009 (?)
TRSR-VUV-LIPS
Refs M A Khater et al., Appl. Spec. 56 970
(2002) M. A. Khater et al., Proc SPIE, 4876 894
(2003) J Bengoechea E Kennedy ET, JAAS 19 468
(2004) E OLeary, PhD Thesis, DCU (2007)
Contact Kennedy/ Costello
EU COST MP0601, Pisa, Nov. 22 - 23 (2007)
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Colliding Laser Plasma Diagnostics
Time Resolved Imaging, Spectroscopy,
Interferometry, Shadowgraphy, Thompson
Scattering,.
Refs D Doria et al., Meas. Sci. Technol. 17,
670 (2006) H. Luna et al., J. Appl. Phys 101,
033302 (2007) K Kavanagh, PhD Thesis, DCU (2006)
Contact Costello
EU COST MP0601, Pisa, Nov. 22 - 23 (2007)
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Colliding Laser Plasma Diagnostics
Early phase Interferometry
Midlife Spectroscopy
Late Phase Thompson Scat.
EU COST MP0601, Pisa, Nov. 22 - 23 (2007)
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New Ultrafast Laboratory (2008)
Nano-T-Eire network Ultrafast Processes and
Interactions
M Meyer et al., PRA 69 051401(R) (2004)
Contact Costello
EU COST MP0601, Pisa, Nov. 22 - 23 (2007)
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Off-site VUV and EUV activities
One and Two Colour Photoionization Studies
Aarhus Photoionization of ions with synchrotron
radiation
D. Kilbane et al., Phys. Rev. A 75, 032711 (2007)
Photoaborption and photoionization spectra of
Rb between the 4p ionization thresholds
DESY Hamburg 2-Colour (ATI)
Refs Duesterer/Radcliffe et al.
1. Opt. Lett. 31 1750 (2006) 2. PRA 74 011401R
(2006) 3. APL 90 131108 (2007) 4. Nature Phot. 1,
336 (2007) 5. NIMA doi10.1016/ j.nima.2007.09.014
(2007)
EU COST MP0601, Pisa, Nov. 22 - 23 (2007)
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FLASH Key Performance Indicators
Wavelength range (fundamental) 13-48 nm (6 -
60 nm Nov 2007) FEL harmonics (_at_13.7 nm) 3 rd
4.6 nm (270 eV) 5 rd 2.7 nm (450 eV)
Spectral width (FWHM) 0.5-1 Pulse energy
up to 70 µJ (average), 170 µJ (peak) Pulse
duration (FWHM) 10-50 fs Peak power
(fundamental) Few GW Average power
(fundamental) 0.1 W (up to 3000 pulses /
sec) Photons per pulse 1013
Ackermann et al., Nature Photonics 1 336 (2007)
EU COST MP0601, Pisa, Nov. 22 - 23 (2007)
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Potential VUV/EUV STSMs

• Incoming
• DLP Photoabsorption of Atoms and Ions
• TI-SR VUV-LIPS and SXR-LIPS (Flat Xtal 800 -
  2500 eV)
• TR-SR EUV-LIPS
• TR-UV/Vis Imaging and Spectroscopy of Table-Top
  LPPS

• Outgoing
• HOHG Generation and Applications
• K-alpha Generation and Applications
• Plasma diagnostics (Thompson Scattering)
• Computational (Multifluid/ PIC) Laser Plasma Codes

Spectrometer system may be shipped to DESY mid.
2008 - 2009
EU COST MP0601, Pisa, Nov. 22 - 23 (2007)