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13 September 2005 Soft x-ray lasers seeded by a high harmonic beam
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We studied seeding of two x-ray laser transitions, 4d-4p at 32.8 nm in Kr8+ and 5d-5p 41.8 nm in Xe8+. The amplifying medium is generated by focussing a high energy circularly polarized, 35 fs 10 Hz Ti: sapphire laser system in a few mm cell filled with gas (xenon or krypton).We succeeded to increase from a factor 10 to 200 the input HHG energy, without deteriorating their optical qualities. The resulting beam was polarized, coherent and we estimate the output energy to be about 1 μJ.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
S. Sebban, Ph. Zeitoun, G. Faivre, T. Mocek, M. Fajardo, S. Kazamias, B. Cros, G. Vieux, and G. Maynard "Soft x-ray lasers seeded by a high harmonic beam", Proc. SPIE 5919, Soft X-Ray Lasers and Applications VI, 591902 (13 September 2005);


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