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Dynamics of Nanometer-Scale Foil Targets Irradiated with Relativistically Intense Laser Pulses

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 نشر من قبل Rainer H\\\"orlein
 تاريخ النشر 2010
  مجال البحث فيزياء
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 تأليف R. Horlein




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In this letter we report on an experimental study of high harmonic radiation generated in nanometer-scale foil targets irradiated under normal incidence. The experiments constitute the first unambiguous observation of odd-numbered relativistic harmonics generated by the $vec{v}timesvec{B}$ component of the Lorentz force verifying a long predicted property of solid target harmonics. Simultaneously the observed harmonic spectra allow in-situ extraction of the target density in an experimental scenario which is of utmost interest for applications such as ion acceleration by the radiation pressure of an ultraintense laser.



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