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Optics Letters

Optics Letters


  • Vol. 24, Iss. 16 — Aug. 15, 1999
  • pp: 1115–1117

Generation of millijoule-level soft-x-ray laser pulses at a 4-Hz repetition rate in a highly saturated tabletop capillary discharge amplifier

C. D. Macchietto, B. R. Benware, and J. J. Rocca  »View Author Affiliations

Optics Letters, Vol. 24, Issue 16, pp. 1115-1117 (1999)

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Laser pulses with energies of as much as 1 mJ were generated at a wavelength of 46.9 nm by single-pass amplification in a 34.5 cm-long Ne-like Ar capillary discharge plasma. The large gain–length product of this plasma column allows for soft-x-ray amplification in a highly saturated regime, resulting in efficient energy extraction. Average laser output pulse energy of 0.88 mJ and peak power of 0.6 MW were obtained at a repetition rate of 4 Hz. With an estimated peak spectral brightness of ≈1×1023photons /(s mm2mrad> 20.01% bandwidth) this tabletop laser is one of the brightest soft-x-ray sources to date.

© 1999 Optical Society of America

OCIS Codes
(140.1340) Lasers and laser optics : Atomic gas lasers
(140.3280) Lasers and laser optics : Laser amplifiers
(140.7240) Lasers and laser optics : UV, EUV, and X-ray lasers

C. D. Macchietto, B. R. Benware, and J. J. Rocca, "Generation of millijoule-level soft-x-ray laser pulses at a 4-Hz repetition rate in a highly saturated tabletop capillary discharge amplifier," Opt. Lett. 24, 1115-1117 (1999)

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