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Joule-class THz pulses from microchannel targets

G. Bruhaug, H. G. Rinderknecht, K. Weichman, M. VanDusen-Gross, J. P. Palastro, M. S. Wei, S. P. Regan, Y. E, K. Garriga, X.-C. Zhang, G. W. Collins, and J. R. Rygg

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Abstract

Inference of joule-class THz radiation sources from microchannel targets driven with hundreds of joule, picosecond lasers is reported. THz sources of this magnitude are useful for nonlinear pumping of matter and for charged-particle acceleration and manipulation. Microchannel targets demonstrate increased laser–THz conversion efficiency compared to planar foil targets, with laser energy to THz energy conversion up to $\sim 0.9{\% }$ in the best cases.

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Supplementary Material (1)

NameDescription
Supplement 1       Supplemental information on detection of THz.

Data availability

Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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