Alignment and use of microbeam with full-field x-ray microscopes

Area of Science:

• X-ray optics and instrumentation
• Materials science and characterization

Background:

• Accurate alignment of Fresnel zone plate focusing optics is crucial for microbeam applications.
• Conventional methods for optic alignment and microbeam positioning can be time-consuming and lack precision.

Purpose of the Study:

• To demonstrate the effectiveness of full-field x-ray microscopy for aligning Fresnel zone plate optics.
• To showcase the integration of full-field x-ray microscopy with microbeam x-ray diffraction measurements.
• To enable precise microbeam targeting on specific regions of interest within a sample.

Main Methods:

• Utilized a full-field x-ray microscope for direct 2D observation of microbeams.
• Employed microbeam x-ray diffraction measurements in conjunction with the microscope.
• Performed alignment tests on Fresnel zone plate focusing optics.

Main Results:

• Achieved sub-micrometer spatial resolution for microbeam visualization.
• Successfully visualized optic misalignment, enabling rapid and accurate optic alignment.
• Enabled precise positioning and shape determination of the microbeam on the sample.

Conclusions:

• Full-field x-ray microscopy offers a powerful tool for precise alignment of focusing optics.
• The combined approach allows for targeted microbeam measurements on selected regions of interest.
• This integrated methodology is expected to establish a novel paradigm for x-ray measurements.