Fluorescent-target imaging and real-time beam diagnostics at the High Energy Photon Source

Area of Science:

• * Physics and Engineering
• * Materials Science
• * Photon Science

Background:

• * Fourth-generation synchrotron radiation sources demand high precision in beamline alignment and diagnostics.
• * Operating under high-brightness conditions presents challenges for reliability and real-time monitoring.

Purpose of the Study:

• * To develop an integrated platform for real-time beam diagnostics and alignment support.
• * To meet the stringent requirements of diffraction-limited storage rings.

Main Methods:

• * Developed a radiation-tolerant, ultra-high-vacuum-compatible imaging system with diamond and YAG:Ce scintillators.
• * Implemented a distributed multi-camera architecture using EPICS areaDetector for synchronized monitoring.
• * Integrated the Mamba Data Worker framework for high-throughput data acquisition, storage, and metadata management.

Main Results:

• * Demonstrated stable, synchronized operation of 13 cameras.
• * Achieved online analysis completion in under 20 ms and end-to-end latency below 50 ms.
• * Successfully integrated online processing with EPICS for control-system integration and a dedicated alignment database.

Conclusions:

• * The developed platform provides a practical and scalable solution for beamline diagnostics and alignment.
• * Enables data-driven optimization for advanced synchrotron facilities like HEPS.
• * Establishes a robust framework for real-time monitoring and control in high-brightness photon science.