Phys. Rev. Lett. 103, 135003 (2009) [4 pages]Directional Laser-Driven Ion Acceleration from MicrospheresReceived 10 November 2008; published 25 September 2009 Laser-driven ion acceleration is capable of generating ion beams of MeV energy exhibiting unique attributes such as ultralow emittance. Research is still focusing on fundamental laser-target interactions to control further beam attributes. In this Letter we present the observation of directional ion acceleration of irradiated spherical targets through proton imaging. This feature, together with an earlier observed quasimonoenergetic proton burst makes spherical targets extremely attractive candidates for high quality, high repetition rate sources of laser accelerated particles. © 2009 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.103.135003
DOI:
10.1103/PhysRevLett.103.135003
PACS:
52.38.Kd, 52.50.Jm
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