Final published version
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
}
TY - JOUR
T1 - Laser plasma acceleration of electrons
T2 - towards the production of monoenergetic beams
AU - Krushelnick, Karl
AU - Najmudin, Zulfikar
AU - Mangles, Stuart P. D.
AU - Thomas, Alexander George Roy
AU - Wei, M.
AU - Walton, B.
AU - Gopal, Abhijit
AU - Clark, E.
AU - Dangor, Aboobaker E.
AU - Fritzler, S.
AU - Murphy, C. D.
AU - Norreys, Peter A.
AU - Mori, Warren B.
AU - Gallacher, J. G.
AU - Jaroszynski, D. A.
AU - Viskup, R.
PY - 2005/5/1
Y1 - 2005/5/1
N2 - The interaction of high intensity laser pulses with underdense plasma is investigated experimentally using a range of laser parameters and energetic electron production mechanisms are compared. It is clear that the physics of these interactions changes significantly depending not only on the interaction intensity but also on the laser pulse length. For high intensity laser interactions in the picosecond pulse duration regime the production of energetic electrons is highly correlated with the production of plasma waves. However as intensities are increased the peak electron acceleration increases beyond that which can be produced from single stage plasma wave acceleration and direct laser acceleration mechanisms must be invoked. If, alternatively, the pulse length is reduced such that it approaches the plasma period of a relativistic electron plasma wave, high power interactions can be shown to enable the generation of quasimonoenergetic beams of relativistic electrons.
AB - The interaction of high intensity laser pulses with underdense plasma is investigated experimentally using a range of laser parameters and energetic electron production mechanisms are compared. It is clear that the physics of these interactions changes significantly depending not only on the interaction intensity but also on the laser pulse length. For high intensity laser interactions in the picosecond pulse duration regime the production of energetic electrons is highly correlated with the production of plasma waves. However as intensities are increased the peak electron acceleration increases beyond that which can be produced from single stage plasma wave acceleration and direct laser acceleration mechanisms must be invoked. If, alternatively, the pulse length is reduced such that it approaches the plasma period of a relativistic electron plasma wave, high power interactions can be shown to enable the generation of quasimonoenergetic beams of relativistic electrons.
U2 - 10.1063/1.1902951
DO - 10.1063/1.1902951
M3 - Journal article
VL - 12
JO - Physics of Plasmas
JF - Physics of Plasmas
SN - 1070-664X
IS - 5
M1 - 056711
ER -