Magnetic X-ray imaging using a single polarization and multimodal-ptychography
arxiv(2024)
摘要
Polarized X-rays allow for imaging birefringent or dichroic properties of
materials with nanometric resolution. To disentangle these properties from the
electronic density, either a polarization analyzer or several measurements with
different polarizations (typically two, or more) are needed. Here we
demonstrate that ptychography can disentangle these from a single-polarization
measurement by using a multimodal analysis. This new method provides an
alternative to obtain polarization-resolved images of a sample when
manipulating the incident polarization is not possible nor sufficient.
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