Intense laser-driven energetic proton beams from solid density targets
Optics Letters, Vol. 32, Issue 16, pp. 2444-2446 (2007)
http://dx.doi.org/10.1364/OL.32.002444
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Abstract
The effects of target density on proton acceleration driven by an intense sub-ps laser pulse are investigated using two-dimensional hybrid particle-in-cell simulations. Results show that at higher density the target-normal-sheath acceleration (TNSA) is more effective than shock acceleration for protons from a plastic target. Furthermore a lower-density target is favorable to higher energy of the TNSA protons. Moreover, the longitudinal electric fields at the target surfaces may reveal typical inhomogeneous structures for a long acceleration time. The conversion efficiency of laser energy into particle (electron, proton, and
© 2007 Optical Society of America
OCIS Codes
(320.2250) Ultrafast optics : Femtosecond phenomena
(350.4990) Other areas of optics : Particles
(350.5400) Other areas of optics : Plasmas
ToC Category:
Ultrafast Optics
History
Original Manuscript: April 26, 2007
Revised Manuscript: June 25, 2007
Manuscript Accepted: July 9, 2007
Published: August 9, 2007
Citation
C. T. Zhou and X. T. He, "Intense laser-driven energetic proton beams from solid density targets," Opt. Lett. 32, 2444-2446 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-16-2444
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