Dramatic enhancement of optical-field-ionization collisional-excitation X-ray lasing by an optically preformed plasma waveguide

M. C. Chou, P. H. Lin, C. A. Lin, J. Y. Lin, J. Wang, S. Y. Chen

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Abstract

Dramatic enhancement of optical-field-ionization collisional-excitation x-ray lasing is achieved by using an optically preformed plasma waveguide. With a 9-mm-long pure krypton plasma waveguide prepared by using the axicon-ignitor-heater scheme, lasing at 32.8 nm is enhanced by 400 folds relative to the case without the plasma waveguide. An output level of 8×1010photon/shot is reached at an energy conversion efficiency of 2×10-6. The same method is used to achieve x-ray lasing in a gas jet for the high-threshold low-gain transition at 46.9 nm in neonlike argon.

Original languageEnglish
Article number063904
JournalPhysical Review Letters
Volume99
Issue number6
DOIs
StatePublished - 7 Aug 2007

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