Journal
PHYSICAL REVIEW LETTERS
Volume 116, Issue 8, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.116.085002
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Funding
- AFOSR [FA9550-14-1-0085, FA9550-12-1-0341]
- DFG Transregio (Germany) [TR18]
- National Science Foundation [CHE-1214152]
- DARPA PULSE program through a grant from AMRDEC
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1214152] Funding Source: National Science Foundation
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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.
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