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Contenido archivado el 2024-05-21

Development of compact soft x-ray lasers

Objetivo

The main goal of this project is to investigate diverse physical schemes for a compact soft X-ray laser operating at high repetition rate which would be suitable for applications where high brightness and coherence is required, such as X-ray interferometry of high-density plasma, microscopy, holography, or lithography. In particular, inversion schemes based on optical field ionization (OFI), charge transfer pumping, and inner-shell photoionization will be investigated experimentally. First, an experiment on detailed characterization (shadowgraphy, optical imaging, off-axis spectroscopy, measurement of divergence and pulse duration) and optimization of the Xe IX and Kr IX OFI X-ray laser at 41.8 nm and 32.8 nm, respectively will be performed using an upgraded version of a gas cell and a supersonic gas jet target. Second, use of gaseous clusters as a novel gain medium will be studied. The possibility of amplification on transitions n = 4-3 and n = 5-3 in Ne VIII, n = 5-3 in N VI at 34.4 nm, and 4d-4p in Xe XXVII at 10 nm will be explored using a cryogenically cooled gas jet and/or mixed gases. Finally, it is planned to participate in the development of a traveling wave optical system which is necessary for successful realization of an inner-shell photoionization X-ray laser on the 2p-1s transition in carbon at 4.5 nm.

Ámbito científico (EuroSciVoc)

Programa(s)

Tema(s)

Datos no disponibles

Convocatoria de propuestas

Datos no disponibles

Régimen de financiación

RGI - Research grants (individual fellowships)

Coordinador

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
Aportación de la UE
Sin datos
Dirección
Batterie de l'Yvette, Chemin de la Hunière
91120 PALAISEAU
Francia
Coste total
Sin datos