Suppression of transverse ablative Rayleigh-Taylor-like instability in the hole-boring radiation pressure acceleration by using elliptically polarized laser pulses

Abstract

It is shown that the transverse Rayleigh-Taylor-like (RT) instability in the hole boring radiation pressure acceleration can be suppressed by using elliptically polarized (EP) laser. A moderate $J\times B$ heating of the EP laser will thermalize the local electrons, which leads to the transverse diffusion of ions, suppressing the short wavelength perturbations of RT instability. A proper condition of polarization ratio is obtained analytically for the given laser intensity and plasma density. The idea is confirmed by two dimensional Particle-in-Cell simulations, showing that the ion beam driven by the EP laser is more concentrated and intense compared with that of the circularly polarized laser.

arXiv comment5 pages, 4 figures. arXiv admin note: substantial text overlap with arXiv:1212.2435

References in corpus (9)

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• Instability of a Thin Conducting Foil Accelerated by a Finite Wavelength Intense Laser
• Dense blocks of energetic ions driven by multi-petawatt lasers
• Generation of high-energy monoenergetic heavy ion beams by radiation pressure acceleration of ultra-intense laser pulses
• Monte-Carlo approach to calculate the ionization of warm dense matter within particle-in-cell simulations
• Identifying the source of super-high energetic electrons in the presence of pre-plasma in laser-matter interaction at relativistic intensities
• Radiation pressure acceleration of high-quality ion beams using ultrashort laser pulses
• The controllable super-high energetic electrons by external magnetic fields at relativistic laser-solid interactions in the presence of large scale pre-plasmas
• On the control of electron heating for optimal laser radiation pressure ion acceleration
• High-order harmonic generation in an electron-positron-ion plasma