Saturated Amplification of a Collisionally Pumped Optical-Field-Ionization Soft X-Ray Laser at 41.8 nm

Abstract : We report the first saturated amplification of an optical-field-ionization soft x-ray laser. The amplifying medium is generated by focusing a circularly polarized 330-mJ, 35-fs, 10-Hz Ti:sapphire laser system in a few-mm cell filled with xenon. A gain of 67 cm^-1 on the 4d^95p-4d^95d transition at 41.8 nm in Pd-like xenon and a gain-length product of 15 have been inferred at saturation. This source delivers about 5×10^9 photons per pulse. The influence of the pumping energy and the laser polarization on the lasing output are also presented.
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Submitted on : Tuesday, October 5, 2010 - 2:19:42 PM
Last modification on : Wednesday, July 3, 2019 - 10:48:02 AM

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Stéphane Sebban, Romain Haroutunian, Philippe Balcou, G. Grillon, Antoine Rousse, et al.. Saturated Amplification of a Collisionally Pumped Optical-Field-Ionization Soft X-Ray Laser at 41.8 nm. Physical Review Letters, American Physical Society, 2001, 86 (14), pp.3004-3007. ⟨10.1103/PhysRevLett.86.3004⟩. ⟨hal-00523500⟩

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