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Journal Articles Physical Review Letters Year : 2015

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

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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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Dates and versions

hal-01199279 , version 1 (15-09-2015)

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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, 2015, 115 (8), pp.Physical Review Letter. ⟨10.1103/PhysRevLett.115.083901⟩. ⟨hal-01199279⟩
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