Pure-type superconducting permanent-magnet undulator

Area of Science:

• Physics
• Materials Science
• Engineering

Background:

• Conventional permanent magnets (PMs) are standard in synchrotron radiation sources.
• High-temperature superconductors (HTSCs) offer unique magnetic properties.
• Integrating HTSCs as PMs presents novel possibilities for magnetic field generation.

Purpose of the Study:

• To propose a novel synchrotron radiation source design utilizing bulk-type HTSCs.
• To investigate methods for in situ magnetization of HTSCs for this application.
• To analyze the magnetic field characteristics and compare them with conventional sources.

Main Methods:

• Arrays of bulk-type HTSC blocks were magnetized by external fields.
• Two distinct magnetization techniques were employed to create periodic magnetic fields.
• An analytical formula was derived to calculate the peak magnetic field.
• Experimental validation of the proposed HTSC-based magnetic arrays was conducted.

Main Results:

• Successful in situ magnetization of HTSC blocks was achieved.
• The HTSC arrays generated a periodic magnetic field suitable for synchrotron radiation.
• The derived analytical formula provides a means for performance comparison.
• Experimental results demonstrated the feasibility of the proposed scheme.

Conclusions:

• The proposed HTSC-based synchrotron radiation source is a promising alternative to conventional designs.
• In situ magnetization techniques enable the effective use of HTSCs as PMs.
• This novel approach has the potential to enhance the performance of future light sources.