Results 191 to 200 of about 15,333 (266)

Wavefront sensing at a high‐repetition‐rate X‐ray free‐electron laser

open access: yesJournal of Synchrotron Radiation, EarlyView.
We demonstrate a fast, robust and sensor‐free approach to X‐ray speckle tracking that enables shot‐to‐shot wavefront characterization at high‐repetition‐rate X‐ray free‐electron lasers. Our measurements reveal a hierarchy of wavefront fluctuations indicative of instabilities in the accelerator and beamline optics at the European XFEL.Wavefront ...
Trey Guest   +18 more
wiley   +1 more source

A History of ‘Religious History’

open access: yesJournal of Religious History, EarlyView.
As a category denoting the analysis of religious actors across history disinterestedly and on their own terms, “religious history” is a relatively recent coinage. This article offers a brief contextualisation of the emergence of the field in the twentieth century. It distinguishes “religious history” from an older, “confessional” mode of ecclesiastical
Joshua Bennett
wiley   +1 more source

Structural color due to guided-mode resonance in silicon-on-insulator irradiated by nanosecond laser pulses. [PDF]

open access: yesSci Technol Adv Mater
Mizeikis V   +8 more
europepmc   +1 more source

Soil wetting and drying processes influence stone artefact distribution in clay‐rich soils: A case study from Middle Gidley Island in Murujuga, northwest Western Australia

open access: yesArchaeometry, EarlyView.
Abstract Soils that contain swelling clay minerals (e.g., montmorillonite) expand and contract during wetting and drying, causing movement within the soil profile. This process, known as argilliturbation, can alter artefact distributions, destroy stratigraphy and complicate the interpretation of archaeological deposits.
Caroline Mather   +11 more
wiley   +1 more source

Soft X-rays with orbital angular momentum for resonant scattering experiments at Synchrotron SOLEIL. [PDF]

open access: yesJ Synchrotron Radiat
Carrara P   +17 more
europepmc   +1 more source

A high transmission tender X-ray monochromator employing a matched pair of multilayer grating and mirror. [PDF]

open access: yesJ Synchrotron Radiat
Dennetiere D   +11 more
europepmc   +1 more source

Metasurface-enabled astronomical polarimetry. [PDF]

open access: yesSci Adv
Li LW   +5 more
europepmc   +1 more source

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