A tandem diffractive lens system focuses an ultrafast high-power laser into a shaped meter-long Bessel beam, with measured on-axis fluence matching simulation to within a few percent.
Towards a table-top free-electron laser,
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Demonstration of a tandem lens for producing shaped laser-ionized plasmas for plasma wakefield acceleration
A tandem diffractive lens system focuses an ultrafast high-power laser into a shaped meter-long Bessel beam, with measured on-axis fluence matching simulation to within a few percent.