PAC09 - List of Authors (Gordon, D.F.)

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Gordon, D.F.

Paper	Title	Page
WE6RFP066	Optical Diagnostic for Off-Axis Electrons in a Laser Wakefield Accelerator	2948
	M.H. Helle Georgetown University, Washington D.F. Gordon, A. Ting NRL, Washington, DC D. Kaganovich Icarus Research, Inc., Bethesda, Maryland
	Funding: This work is supported by the Office of Naval Research and the Department of Energy Theoretical work* on electro-optic shock produced from the interaction of intense laser radiation with ~1% critical plasma suggests that second harmonic radiation will be emitted at the Cherenkov angle. This radiation pattern is produced under similar conditions as when off-axis electrons** were observed. These electrons are of particular interest since they are well suited for external injection into a laser wakefield acceleration structure. Recent experimental results at the U.S. Naval Research Laboratory, using a 10 TW, 50 fs, Ti-Sapphire laser, have shown the existence of such a second harmonic ring. Characterization of this optical radiation and its relationship to off-axis electrons will be presented. D. F. Gordon et al., Phys. Rev. Lett. {10}1, 45004 (2008). *D. Kaganovich et al. Phys. Rev. Lett. {10}0, 215002 (2008).

Paper

Title

Page

WE6RFP066

Optical Diagnostic for Off-Axis Electrons in a Laser Wakefield Accelerator

2948

M.H. Helle
Georgetown University, Washington
D.F. Gordon, A. Ting
NRL, Washington, DC
D. Kaganovich
Icarus Research, Inc., Bethesda, Maryland

Funding: This work is supported by the Office of Naval Research and the Department of Energy

Theoretical work* on electro-optic shock produced from the interaction of intense laser radiation with ~1% critical plasma suggests that second harmonic radiation will be emitted at the Cherenkov angle. This radiation pattern is produced under similar conditions as when off-axis electrons** were observed. These electrons are of particular interest since they are well suited for external injection into a laser wakefield acceleration structure. Recent experimental results at the U.S. Naval Research Laboratory, using a 10 TW, 50 fs, Ti-Sapphire laser, have shown the existence of such a second harmonic ring. Characterization of this optical radiation and its relationship to off-axis electrons will be presented.

*D. F. Gordon et al., Phys. Rev. Lett. {10}1, 45004 (2008).
**D. Kaganovich et al. Phys. Rev. Lett. {10}0, 215002 (2008).