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Science · Physics · published 2026-09-01 · via Nature Physics

Flying-Focus Pulses Extend Electron Acceleration in Plasma Wakefields

Laser wakefield accelerators have historically been limited by the short distance over which electrons could be accelerated. By using flying-focus laser pulses, electrons can now ride plasma waves for much longer distances, dramatically expanding the acceleration range. This advancement could lead to more compact and powerful particle accelerators.

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Laser wakefield accelerators have traditionally been constrained by the brief duration over which electrons could gain energy, limiting

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