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Microengineering Laser Plasma Interactions at Relativistic Intensities

Jiang, S. and Ji, L. L. and Audesirk, H. and George, K. M. and Snyder, J. and Krygier, A. and Poole, P. and Willis, C. and Daskalova, R. and Chowdhury, E. and Lewis, N. S. and Schumacher, D. W. and Pukhov, A. and Freeman, R. R. and Akli, K. U. (2016) Microengineering Laser Plasma Interactions at Relativistic Intensities. Physical Review Letters, 116 (8). Art. No. 085002. ISSN 0031-9007.

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We report on the first successful proof-of-principle experiment to manipulate laser-matter interactions on microscales using highly ordered Si microwire arrays. The interaction of a high-contrast short-pulse laser with a flat target via periodic Si microwires yields a substantial enhancement in both the total and cutoff energies of the produced electron beam. The self-generated electric and magnetic fields behave as an electromagnetic lens that confines and guides electrons between the microwires as they acquire relativistic energies via direct laser acceleration.

Item Type:Article
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Lewis, N. S.0000-0001-5245-0538
Additional Information:© 2016 American Physical Society. Received 14 September 2015; published 25 February 2016. This work is supported by the AFOSR under Contracts No. FA9550-14-1-0085 and No. FA9550-12-1-0341 and allocations of computing time from the Ohio Supercomputing Center. A. P. is supported by DFG Transregio TR18 (Germany). N. S. L. and H. A. acknowledge the National Science Foundation, Grant No. CHE-1214152, for support. D. W. S. is supported by the DARPA PULSE program through a grant from AMRDEC.
Funding AgencyGrant Number
Air Force Office of Scientific Research (AFOSR)FA9550-14-1-0085
Air Force Office of Scientific Research (AFOSR)FA9550-12-1-0341
Deutsche Forschungsgemeinschaft (DFG)UNSPECIFIED
Defense Advanced Research Projects Agency (DARPA)UNSPECIFIED
Issue or Number:8
Record Number:CaltechAUTHORS:20160318-111253668
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Official Citation:Microengineering Laser Plasma Interactions at Relativistic Intensities S. Jiang, L. L. Ji, H. Audesirk, K. M. George, J. Snyder, A. Krygier, P. Poole, C. Willis, R. Daskalova, E. Chowdhury, N. S. Lewis, D. W. Schumacher, A. Pukhov, R. R. Freeman, and K. U. Akli Phys. Rev. Lett. 116, 085002 – Published 25 February 2016
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:65483
Deposited By: Tony Diaz
Deposited On:18 Mar 2016 19:03
Last Modified:03 Oct 2019 09:47

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