DABAM: an open-source database of X-ray mirrors metrology

Area of Science:

• Optics and Optical Engineering
• Materials Science
• Data Science

Background:

• Optical surface errors significantly impact the performance of precision instruments like synchrotron beamlines.
• Accurate metrology data is crucial for simulating and mitigating these performance degradations.

Purpose of the Study:

• To introduce the Database for Metrology (DABAM), an open-source repository of X-ray mirror metrology data.
• To provide users of optical simulation tools with real mirror surface profile data.
• To facilitate the calculation of optical surface error effects on instrument performance.

Main Methods:

• Development of an open-source database storing mirror height and slope profiles.
• Creation of accompanying software for data access, processing, and statistical analysis.
• Generation of input files for common optical simulation codes.

Main Results:

• DABAM provides accessible metrology data for real X-ray mirrors.
• The associated software enables efficient data handling and simulation preparation.
• Demonstrated use cases highlight the impact of mirror surface errors on beamline focal intensity profiles.

Conclusions:

• DABAM serves as a valuable resource for the optics community, enhancing simulation accuracy.
• The database and software facilitate the design and optimization of optical instruments.
• Understanding and simulating surface errors are key to achieving desired performance in X-ray optics.