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Optics Letters

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  • Vol. 24, Iss. 23 — Dec. 1, 1999
  • pp: 1714–1716

Focusing of a tabletop soft-x-ray laser beam and laser ablation

B. R. Benware, A. Ozols, J. J. Rocca, I. A. Artioukov, V. V. Kondratenko, and A. V. Vinogradov  »View Author Affiliations


Optics Letters, Vol. 24, Issue 23, pp. 1714-1716 (1999)
http://dx.doi.org/10.1364/OL.24.001714


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Abstract

We focused the beam of a high-repetition-rate capillary-discharge tabletop laser operating at a wavelength of 46.9 nm, using a spherical Si/Sc multilayer mirror. The energy densities significantly exceeded the thresholds for the ablation of metals. Single-shot laser ablation patterns were used in combination with ray-tracing computations to characterize the focused beam. The radiation intensity within the 2-μm -diameter central region of the focal spot was estimated to be ≈1011W/cm2, with a corresponding energy density of ~100 J/cm2.

© 1999 Optical Society of America

OCIS Codes
(140.7240) Lasers and laser optics : UV, EUV, and X-ray lasers
(340.7440) X-ray optics : X-ray imaging
(340.7470) X-ray optics : X-ray mirrors

Citation
B. R. Benware, A. Ozols, J. J. Rocca, I. A. Artioukov, V. V. Kondratenko, and A. V. Vinogradov, "Focusing of a tabletop soft-x-ray laser beam and laser ablation," Opt. Lett. 24, 1714-1716 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-23-1714


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