Optical-field-ionization collisional-excitation x-ray lasers with an optically preformed plasma waveguide

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

Phys. Rev. A 76, 053817 – Published 14 November 2007

Abstract

Optical-field-ionization x-ray lasers in an optically preformed plasma waveguide for pure xenon, krypton, and argon gases, respectively, are achieved. In addition to the 46.9 nm main lasing line for Ne-like argon, the 45.1 and 46.5 nm lasing lines are also observed, indicative of the strong enhancement effect and the large gas density in the plasma waveguide. With this technique multispecies parallel x-ray lasing is also demonstrated in a Kr-Ar mixed-gas waveguide. Extensive experimental results including the pump-energy dependence, the density dependence, and the effects of parameters that control the waveguide fabrication are reported and discussed.

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Received 24 September 2007

DOI:https://doi.org/10.1103/PhysRevA.76.053817

Authors & Affiliations

P.-H. Lin^1,2, M.-C. Chou^1,3, C.-A. Lin^1,4, H.-H. Chu³, J.-Y. Lin⁴, J. Wang^1,2,3, and S.-Y. Chen^1,3

¹Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei 106, Taiwan
²Department of Physics, National Taiwan University, Taipei 106, Taiwan
³Department of Physics, National Central University, Jhongli 320, Taiwan
⁴Department of Physics, National Chung Cheng University, Chia-Yi 621, Taiwan

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Issue

Vol. 76, Iss. 5 — November 2007

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