Reflection ptychography requires samples 10-100 times thinner than transmission setups for the 2D approximation to remain accurate, with 3D modeling resolving thickness-dependent distortions.
General-Purpose, Wide Field-of-View Reflection Imaging with a Tabletop 13 Nm Light Source
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The 2D approximation quickly breaks down in reflection ptychography
Reflection ptychography requires samples 10-100 times thinner than transmission setups for the 2D approximation to remain accurate, with 3D modeling resolving thickness-dependent distortions.