1 / 13

John T. Costello

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.ie/~jtc. EU COST MP0601, Pisa, Nov. 22 - 23 (2007).

brac
Download Presentation

John T. Costello

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 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.ie/~jtc EU COST MP0601, Pisa, Nov. 22 - 23 (2007)

  2. Outline of the Talk • Who are we ? • Current Laser Plasma/EUV Facilities & Activities • EUV activities at Synchrotron & FEL Sources • Opportunities for collaboration/ STSMs

  3. DCU Laser Plasma-EUV Research Laser Plasma @ 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 O’Leary - 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)

  4. DCU Laser Plasma-EUV Research Laser Plasma @ 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)

  5. 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 (< 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)

  6. VUV Photoabsorption (Imaging) Time resolution: ~10 ns (200 ps - EKSPLA) / Spectral range:10 - 35 eV (120 - 35 nm) VUV bandwidth: ~0.05 nm@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)

  7. VUV Laser Induced Plasma Spectroscopy TISR-VUV-LIPS Limits of detection: < 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 O’Leary, PhD Thesis, DCU (2007) Contact:Kennedy/ Costello EU COST MP0601, Pisa, Nov. 22 - 23 (2007)

  8. 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)

  9. Colliding Laser Plasma Diagnostics Early phase: Interferometry Midlife: Spectroscopy Late Phase: Thompson Scat. EU COST MP0601, Pisa, Nov. 22 - 23 (2007)

  10. New Ultrafast Laboratory (2008) In equipment tender phase: 3mJ/30fs/1kHz System with (OPA?) / Streak Camera In equipment tender phase: 3mJ/30fs/1kHz System with (OPA?) / Streak Camera e- 20 H21 IR Programme (preliminary) 1. HOHG + 800 nm for photo- ionization in intense NIR fields 2. HOHG x 2 (phase effects in photoionization) 3. Diagnostics of Colliding Plasmas Others: Surface science & dynamics Programme (preliminary) 1. HOHG + 800 nm for photo- ionization in intense NIR fields 2. HOHG x 2 (phase effects in photoionization) 3. Diagnostics of Colliding Plasmas Others: Surface science & dynamics 15 H19 H17 (26eV) electron kinetic energy /eV 10 15,76 eV Ar+ 3p5 5 -60 -40 -20 0 20 40 60 VUV Delay / fs Ar 3p6 Low field regime: Int(IR) ≈ 1011 W/cm2 G(sideband)2 = G(IR)2 + G(VUV)2 DT (laser) = 30fs 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)

  11. 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 doi:10.1016/ j.nima.2007.09.014 (2007) EU COST MP0601, Pisa, Nov. 22 - 23 (2007)

  12. FLASH: Key Performance Indicators water window Wavelength range (fundamental): 13-48 nm (6 - 60 nm Nov 2007) FEL harmonics (@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)

  13. 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)

More Related