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Atomic and Laser Physics
Credit: Jack Hobhouse

Prof Peter Norreys FInstP;

Professorial Research Fellow

Research theme

  • Accelerator physics
  • Lasers and high energy density science
  • Fundamental particles and interactions
  • Plasma physics

Sub department

  • Atomic and Laser Physics

Research groups

  • Oxford Centre for High Energy Density Science (OxCHEDS)
peter.norreys@physics.ox.ac.uk
Telephone: 01865 (2)72220
Clarendon Laboratory, room 141.1
Peter Norreys' research group
  • About
  • Research
  • Teaching
  • Publications

Experimental evidence of electric inhibition in fast electron penetration and of electric-field-limited fast electron transport in dense matter

Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics 62:5 (2000) R5927-R5930

Authors:

F Pisani, A Bernardinello, D Batani, A Antonicci, E Martinolli, M Koenig, L Gremillet, F Amiranoff, S Baton, J Davies, T Hall, D Scott, P Norreys, A Djaoui, C Rousseaux, P Fews, H Bandulet, H Pepin

Abstract:

Fast electron generation and propagation were studied in the interaction of a green laser with solids. The experiment, carried out with the LULI TW laser (350 fs, 15 J), used [Formula Presented] emission from buried fluorescent layers to measure electron transport. Results for conductors (Al) and insulators (plastic) are compared with simulations: in plastic, inhibition in the propagation of fast electrons is observed, due to electric fields which become the dominant factor in electron transport. © 2000 The American Physical Society.
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Explanations for the observed increase in fast electron penetration in laser shock compressed materials

Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics 61:5 (2000) 5725-5733

Authors:

D Batani, JR Davies, A Bernardinello, F Pisani, M Koenig, TA Hall, S Ellwi, P Norreys, S Rose, A Djaoui, D Neely

Abstract:

We analyze recent experimental results on the increase of fast electron penetration in shock compressed plastic [Phys. Rev. Lett. 81, 1003 (1998)]. It is explained by a combination of stopping power and electric field effects, which appear to be important even at laser intensities as low as [Formula Presented] An important conclusion is that fast electron induced heating must be taken into account, changing the properties of the material in which the fast electrons propagate. In insulators this leads to a rapid insulator to conductor phase transition. © 2000 The American Physical Society.
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Ultrahigh-intensity laser-produced plasmas as a compact heavy ion injection source

IEEE Transactions on Plasma Science 28:4 (2000) 1184-1189

Authors:

K Krushelnick, EL Clark, R Allott, FN Beg, CN Danson, A Machacek, V Malka, Z Najmudin, D Neely, PA Norreys, MR Salvati, MIK Santala, M Tatarakis, I Watts, M Zepf, AE Dangor

Abstract:

The possibility of using high-intensity laser-produced plasmas as a source of energetic ions for heavy ion accelerators is addressed. Experiments have shown that neon ions greater than 6 MeV can be produced from gas jet plasmas, and well-collimated proton beams greater than 20 MeV have been produced from high-intensity laser solid interactions. The proton beams from the back of thin targets appear to be more collimated and reproducible than are high-energy ions generated in the ablated plasma at the front of the target and may be more suitable for ion injection applications. Lead ions have been produced at energies up to 430 MeV.
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Experimental studies of the advanced fast ignitor scheme

PHYSICS OF PLASMAS 7:9 (2000) PII [S1070-664X(00)02809-3]

Authors:

PA Norreys, R Allott, RJ Clarke, J Collier, D Neely, SJ Rose, M Zepf, M Santala, AR Bell, K Krushelnick, AE Dangor, NC Woolsey, RG Evans, H Habara, T Norimatsu, R Kodama
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Photonuclear physics when a multiterawatt laser pulse interacts with solid targets

PHYSICAL REVIEW LETTERS 84:5 (2000) 899-902

Authors:

KWD Ledingham, I Spencer, T McCanny, RP Singhal, MIK Santala, E Clark, I Watts, FN Beg, M Zepf, K Krushelnick, M Tatarakis, AE Dangor, PA Norreys, R Allott, D Neely, RJ Clark, AC Machacek, JS Wark, AJ Cresswell, DCW Sanderson, J Magill
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