May 5 – 10, 2019
Europe/Berlin timezone

Does Laser Polarization Matter in Laser Wakefield Acceleration?

Not scheduled


Meštrovićevo šetalište 45 HR – 21000 Split Republic of Croatia


Daniel Seipt (University of Michigan, CUOS)


Laser-wakefield acceleration experiments performed at the Hercules laser show a lowering of the self-injection threshold by circular polarized laser pulses, similar to the threshold lowering in wakfields driven in a warm plasma. In addition to the lower injection threshold, a significantly higher charge was observed for CP compared to LP for a wide range of parameters. We performed particle-in-cell simulations that support the observed experimental findings and indicate at different injection paths for CP laser pulses, which allows electrons to easier fulfill the injection condition.

Working group Laser-driven electron acceleration

Primary authors

Daniel Seipt (University of Michigan, CUOS) Dr Yong Ma (University of Michigan) Nick F. Baier (University of California, Irvine) Sahel Hakimi (University of Michigan) Amina E. Hussein (University of Michigan) Jesus Hinojosa (University of Michigan) Anatoly Maksimchuk (University of Michigan) John Nees (Univ. of Michigan) Karl Krushelnick (University of Michigan) Prof. Alexander G. R. Thomas (University of Michigan) Franklin Dollar (University of California, Irvine)

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