Internally cooled V-shape inclined monochromator.
1Institute of Physics, Academy of Sciences of the Czech Republic v.v.i., Czech Republic. oberta@fzu.cz
Journal of Synchrotron Radiation
|December 22, 2007
Summary
A novel V-shaped silicon X-ray monochromator design reduces heat-induced surface deformation. This cost-effective solution is suitable for high-brilliance synchrotron radiation sources.
Area of Science:
- Materials Science
- Optics
- Physics
Background:
- X-ray monochromators are crucial for synchrotron radiation experiments.
- High heat loads from intense X-ray beams cause surface deformations, degrading performance.
- Existing designs often face limitations in size and thermal management.
Purpose of the Study:
- To propose a simple, cost-effective, and internally cooled silicon X-ray monochromator.
- To mitigate surface deformations caused by radiation heat.
- To ensure the crystal size is compatible with broad synchrotron beams.
Main Methods:
- A V-shaped, two-inclined surface design for the silicon crystal.
- Internal cooling integrated into the monochromator structure.
- Analysis of thermal deformation under X-ray irradiation.
Main Results:
- The V-shaped design significantly reduces surface deformations from radiation heat.
- The proposed monochromator is of reasonable size and feasible for 50 mm broad beams.
- The design allows for potential sagittal focusing of the diffracted X-ray beam.
Conclusions:
- The V-shaped silicon X-ray monochromator offers improved thermal stability and performance.
- This design presents a practical solution for high-heat-load synchrotron applications.
- Further investigation into sagittal focusing capabilities is warranted.
