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