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Demonstration of a Circularly Polarized Plasma-Based Soft-X-Ray Laser

Abstract : We report the first experimental demonstration of a laser-driven circularly polarized soft-x-ray laser chain. It has been achieved by seeding a 32.8 nm Kr ix plasma amplifier with a high-order harmonic beam, which has been circularly polarized using a four-reflector polarizer. Our measurements testify that the amplified radiation maintains the initial polarization of the seed pulse in good agreement with our Maxwell-Bloch modeling. The resulting fully circular soft-x-ray laser beam exhibits a Gaussian profile and yields about 1010 photons per shot, fulfilling the requirements for laboratory-scale photon-demanding application experiments.
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Contributor : Philippe Zeitoun <>
Submitted on : Tuesday, September 15, 2015 - 11:20:30 AM
Last modification on : Thursday, December 10, 2020 - 1:34:02 PM




Adrien Depresseux, E. Oliva, Julien Gautier, Fabien Tissandier, Guillaume Lambert, et al.. Demonstration of a Circularly Polarized Plasma-Based Soft-X-Ray Laser. Physical Review Letters, American Physical Society, 2015, 115 (8), pp.Physical Review Letter. ⟨10.1103/PhysRevLett.115.083901⟩. ⟨hal-01199279⟩



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