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Attosecond light science and its application for probing quantum materials

In this paper, the authors review the development and application of coherent short wavelength light sources implemented using the high harmonic generation (HHG) process, such as the KMLabs by Brad Sohnlein

Tags: High Harmonic, XUUS, Ti:Sapphire, HHG, Coherent Diffractive Imaging, Mask Inspection, Phase Retrieval, X-Ray Imaging, Semiconductor, EUV, imaging, lithography, nanoscale characterization, semiconductor technology, VUV, ARPES, time-resolved ARPES, extreme ultraviolet source, materials characterization, quantum, soft X-ray, surface-to-near-surface, ultrafast spectroscopy

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Full characterization of ultrathin 5-nm low- k dielectric bilayers: Influence of dopants and surfaces on the mechanical properties

Ultrathin films and multilayers, with controlled thickness down to single atomic layers, are critical for advanced technologies ranging from nanoelectronics to spintronics to quantum devices. However, for thicknesses less than 10 nm, surfaces and dopants contribute ...

by Brad Sohnlein

Tags: High Harmonic, XUUS, Ti:Sapphire, HHG, Semiconductor, EUV, imaging, nanoscale characterization, semiconductor technology, extreme ultraviolet source, nanostructures, materials characterization, surface-to-near-surface, ultrafast spectroscopy

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Generation of above-terawatt 1.5-cycle visible pulses at 1 kHz by post-compression in a hollow fiber

Rouzee and colleagues at the Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy report on the generation of 6.1 mJ, 3.8 fs pulses by the compression of a kilohertz KMLabs Ti:sapphire laser in a ...

by Brad Sohnlein

Tags: High Harmonic, Ti:Sapphire, EUV, extreme ultraviolet source, ultrafast spectroscopy

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Field Ion Emission in an Atom Probe Microscope Triggered by Femtosecond-Pulsed Coherent Extreme Ultraviolet Light

3D pulsed laser atom probe tomography (APT)  is an atomic scale materials characterization and 3D imaging method utilizing ultrafast pulses to induce photon assisted field ion evaporation in certain materials. Currently, modern APT measurements employ coherent, pulsed near ultraviolet (NUV) light to induce ...

by Brad Sohnlein

Tags: High Harmonic, XUUS, Ti:Sapphire, HHG, EUV, extreme ultraviolet source, materials characterization, spectroscopy, ultrafast spectroscopy, Atom Probe Tomography

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High conversion efficiency of an optical parametric amplifier pumped by 1 kHz Ti:Sapphire laser pulses for tunable high-harmonic generation

The maximum photon energy achievable in high harmonic generation is proportional to the square of the excitation wavelength. Due to this scaling, extreme ultraviolet (XUV) light generation requires intense infrared pulses as the excitation wavelength. Converting ultrafast pulses from Ti:sapphire to longer wavelengths through optical parametric ...

by Daisy Raymondson

Tags: High Harmonic, Ti:Sapphire, EUV, soft X-ray, OPA

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Video - Margaret Murnane – Tabletop X-ray lasers

Physics@Veldhoven

Prof. Margaret Murnane, Physics, fellow, JILA, University of Colorado, Boulder

KMLabs co-founder Murnane's lecture is about tabletop X-ray lasers. Ever since the invention of the laser, 50 years ago, researchers have also tried to develop ...

by Margaret Murnane

Tags: High Harmonic, XUUS

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Ultrafast Coherent EUV beams using the KMLabs  XUUS

KMLabs WyvernTM ultrafast amplifier, combined with the KMLabs XUUS high harmonic generation (HHG) source, provides the first ultra-stable, engineered, coherent EUV beams at flux levels ...

by Xiaoshi Zhang, Eric Mountford, Matthew Kirchner, and Henry Kapteyn

Tags: High Harmonic, XUUS

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Ultrafast Coherent EUV at 25-50nm

The Coherent Astrella® ultrafast amplifier, combined with the KMLabs XUUS high-harmonic-generation (HHG) system, provides stable, high quality, coherent EUV light with photon energy in the range of 25-50 eV, at flux levels enabling a range of scientific applications. by Xiaoshi Zhang, Eric Mountford, Matthew Kirchner, and Henry Kapteyn

Tags: High Harmonic, XUUS, EUV

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