High-intensity laser plasma interactions and fast ignition

Vladimir T Tikhonchuk; Theodor Schlegel

doi:10.1117/12.890137

9 June 2011 High-intensity laser plasma interactions and fast ignition

Vladimir T Tikhonchuk, Theodor Schlegel

Proceedings Volume 8080, Diode-Pumped High Energy and High Power Lasers; ELI: Ultrarelativistic Laser-Matter Interactions and Petawatt Photonics; and HiPER: the European Pathway to Laser Energy; 80801G (2011) https://doi.org/10.1117/12.890137
Event: SPIE Optics + Optoelectronics, 2011, Prague, Czech Republic

Abstract

Fast ignition of inertial fusion targets is one of the promising ways for future energy production. Recent studies of ignition with fast electrons have shown only little progress - mainly caused by the unresolved problem of controlled electron transport in dense plasmas. Ion-assisted ignition schemes are less sensitive in this regard and laser energies in the range of 50 - 100 kJ are required for fuel ignition. Picosecond laser pulses with intensities exceeding 10²² Wcm^-2 and a high intensity contrast of better than 10^-10 are needed thereby. The cone-guided target proves to be the most efficient scheme, although targets without a cone are more appropriate for high repetition rate operation.

Citation Download Citation

Vladimir T Tikhonchuk and Theodor Schlegel "High-intensity laser plasma interactions and fast ignition", Proc. SPIE 8080, Diode-Pumped High Energy and High Power Lasers; ELI: Ultrarelativistic Laser-Matter Interactions and Petawatt Photonics; and HiPER: the European Pathway to Laser Energy, 80801G (9 June 2011); https://doi.org/10.1117/12.890137

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