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High-harmonic generation

Ultrafast lasers yield X-rays

Nature Photonics volume 4, pages 149–151 (2010)Cite this article

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Table-top sources that generate both extreme ultraviolet light and soft X-rays through high-harmonic generation of ultrafast infrared laser pulses look set to perform tasks previously accessible using only large-scale synchrotrons.

For more than 30 years, laser frequency conversion based on nonlinear optical crystals has dramatically enhanced the accessible wavelength range of laser sources, extending their reach from the ultraviolet to the mid-infrared. These laser-driven nonlinear sources are now found everywhere from research laboratories and hospitals, to hand-held laser pointers and flight-hardened weapons systems.

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Figure 1: The internal parts of KMLabs' XUUS, which converts near-infrared ultrafast laser signals to wavelengths in the soft-X-ray or EUV region.

KMLABS

Figure 2: Spatial coherence measurements for the EUV beam from the XUUS, measured by a Young's double-pinhole experiment.

KMLABS

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Authors and Affiliations

  1. Iain McKinnie is CEO of KMLabs and Henry Kapteyn is executive vice president of KMLabs, 1855 South 57th Court, Boulder, Colorado 80301, USA.,

    Iain McKinnie & Henry Kapteyn

  2. Henry Kapteyn is also a professor at the Department of Physics and JILA, University of Colorado at Boulder, Boulder, Colorado 80309-0440, USA.,

    Henry Kapteyn

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  1. Iain McKinnie
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  2. Henry Kapteyn
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Correspondence to Iain McKinnie.

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McKinnie, I., Kapteyn, H. Ultrafast lasers yield X-rays. Nature Photon 4, 149–151 (2010). https://doi.org/10.1038/nphoton.2010.20

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