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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 16 — Aug. 13, 2004
  • pp: 1927–1929

Focusing coherent soft-x-ray radiation to a micrometer spot size with an intensity of 1014 W/cm2

Hiroki Mashiko, Akira Suda, and Katsumi Midorikawa  »View Author Affiliations


Optics Letters, Vol. 29, Issue 16, pp. 1927-1929 (2004)
http://dx.doi.org/10.1364/OL.29.001927


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Abstract

We investigate the focusability of intense coherent soft-x-ray radiation generated by high-order harmonic conversion. The 27th-harmonic wave at 29.6 nm is focused by an off-axis parabolic mirror with a SiC/Mg multilayer coating. Focal-spot images are observed from the visible fluorescence induced by the soft-x-ray photons on a Ce:YAG scintillator. We demonstrate focusing of the soft-x-ray beam to a 1-μm spot size with a peak intensity of 1×1014 W/cm2 , which is to our knowledge the highest ever reported in the soft-x-ray region.

© 2004 Optical Society of America

OCIS Codes
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
(340.7440) X-ray optics : X-ray imaging

Citation
Hiroki Mashiko, Akira Suda, and Katsumi Midorikawa, "Focusing coherent soft-x-ray radiation to a micrometer spot size with an intensity of 1014 W/cm2," Opt. Lett. 29, 1927-1929 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-16-1927

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