Paul Lobpreis
Welcome. Still under construction — more pages to come.
Elsewhere
4D-STEM
A real scan of a nickel–copper alloy, with a full diffraction pattern recorded at every point. Each side makes the other: move the detector, or pick a region in the image. It all runs in your browser.
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Drag to move · scroll for outer radius · shift-scroll for inner
Drag to select a region · scroll to resize
Detector
Colour
Projects
mac4DSTEM
A free, native macOS app for 4D-STEM analysis — the kind of thing the demo above does, but on real datasets and on the GPU in a laptop. Open source, GPL-3.0.
The lab
Drag to orbit · scroll to zoom · tap a marker