Dramatic enhancement of xuv laser output using a multimode gas-filled capillary waveguide

T. Mocek*, C. M. McKenna, B. Cros, S. Sebban, D. J. Spence, G. Maynard, I. Bettaibi, V. Vorontsov, A. J. Gonsavles, S. M. Hooker

*Corresponding author for this work

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Abstract

We report a significant increase of the output of a 41.8-nm Xe 8+ laser achieved by means of multimode guiding of high-intensity femtosecond laser pulses in a gas-filled dielectric capillary tube. The optimized lasing signal from a 15-mm-long capillary was nearly an order of magnitude higher than that from a gas cell of the same length. Simulations of the propagation of the pump laser pulse in the capillary confirmed that this enhancement is due to reflections from the capillary wall, which increase the length of the Xe 8+ plasma column generated. The influence of gas pressure and focusing position on the lasing is also presented.

Original languageEnglish
Article number013804
Pages (from-to)1-5
Number of pages5
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume71
Issue number1
DOIs
Publication statusPublished - 1 Jan 2005
Externally publishedYes

Bibliographical note

T. Mocek, C. M. McKenna, B. Cros, S. Sebban, D. J. Spence, G. Maynard, I. Bettaibi, V. Vorontsov, A. J. Gonsalves, and S. M. Hooker, "Dramatic enhancement of XUV laser output using a multimode gas-filled capillary waveguide," Phys. Rev. A 71 013804 (2005). Copyright (2005) by the American Physical Society. The original article can be found at http://dx.doi.org/10.1103/PhysRevA.71.013804.

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