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Dissociative x-ray lasing.

Dissociative x-ray lasing.

Physical review letters (2013-02-02)

Q Miao, J-C Liu, H Ågren, J-E Rubensson, F Gel'mukhanov

ABSTRACT

X-ray lasing is predicted to ensue when molecules are pumped into dissociative core-excited states by a free-electron-laser pulse. The lasing is due to the population inversion created in the neutral dissociation product, and the process features self-trapping of the x-ray pulse at the gain ridge. Simulations performed for the HCl molecule pumped at the 2p(1/2)→6σ resonance demonstrate that the scheme can be used to create ultrashort coherent x-ray pulses.

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