Development of a high-performance and cost-effective in-vacuum undulator

Area of Science:

• Physics
• Materials Science
• Engineering

Background:

• In-vacuum undulators (IVUs) are crucial components in synchrotron radiation facilities.
• Key challenges include strong attractive forces between magnetic arrays and material demagnetization.
• These issues complicate design and limit the use of advanced magnetic materials.

Purpose of the Study:

• To present technical developments addressing the challenges in in-vacuum undulator design.
• To demonstrate the effectiveness of these new technologies in constructing high-performance IVUs.
• To highlight a cost-effective approach to IVU development.

Main Methods:

• Implementation of force cancellation techniques for magnetic arrays.
• Modularization of magnetic array structures.
• Enhancement of magnetic material resistance to demagnetization using specialized magnetic circuits.

Main Results:

• Successfully developed a new in-vacuum undulator incorporating these advanced technologies.
• Demonstrated effective solutions for magnetic force and demagnetization issues.
• Achieved high performance in the new IVU design.

Conclusions:

• The developed technologies are effective for building high-performance in-vacuum undulators.
• These advancements offer a cost-effective method for IVU construction.
• The study paves the way for future improvements in synchrotron radiation sources.