Fluorescence intensity correlation imaging with high resolution and elemental contrast using intense x-ray pulses
arXiv:2103.15872 · doi:10.1063/4.0000105
Abstract
We theoretically investigate the fluorescence intensity correlation (FIC) of Ar clusters and Mo-doped iron oxide nanoparticles subjected to intense, femtosecond and sub-femtosecond XFEL pulses for high-resolution and elemental contrast imaging. We present the FIC of {\Ka} and {\Kah} emission in Ar clusters and discuss the impact of sample damage on retrieving high-resolution structural information and compare the obtained structural information with those from the coherent difractive imaging (CDI) approach. We found that, while sub-femtosecond pulses will substantially benefit the CDI approach, few-femtosecond pulses may be sufficient for achieving high-resolution information with FIC. Furthermore, we show that the fluorescence intensity correlation computed from the fluorescence of Mo atoms in Mo-doped iron oxide nanoparticles can be used to image dopant distributions.
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- Quantum Interference in Two-Atom Resonant X-ray Scattering of an Intense Attosecond Pulse