X-ray dynamical diffraction wavefront division interferometer (double-slit diffraction) with an asymmetric...

Area of Science:

• Physics
• Optics
• Crystallography

Background:

• X-ray interferometry is crucial for high-resolution imaging and material analysis.
• Dynamical diffraction phenomena are key to understanding wave interactions within crystals.
• Observing interference fringes in diffracted X-ray beams presents unique challenges.

Purpose of the Study:

• To analyze a system combining an asymmetric monochromator and an X-ray interferometer for wavefront division.
• To determine the specific conditions required for observing interference fringes in the diffracted beam.
• To explore applications in defect detection, crystal deformation analysis, and holographic imaging.

Main Methods:

• Theoretical analysis of incident spherical waves interacting with an asymmetric monochromator.
• Modeling the passage of X-rays through a double-slit system after reflection.
• Investigating the conditions for interference fringe observation in the diffracted beam using a second crystal.

Main Results:

• A specific requirement for the monochromator asymmetry coefficient was derived.
• Diagrams were developed to predict the observability of interference fringes.
• The study establishes conditions for observing dynamical diffraction Young fringes.

Conclusions:

• The derived monochromator asymmetry coefficient enables the observation of interference fringes.
• The system is suitable for realizing advanced X-ray interferometers and holographic schemes.
• Potential applications include precise defect and deformation field determination in crystals.