Speaker
Description
High-brightness high intensity photogun based electron sources are important for accelerator applications including injectors, energy recovery linacs, electron cooling, and future particle colliders such as EIC, FCC-ee. At Brookhaven National Laboratory, a series of photoguns - delivering polarized and unpolarized electron beams - have been developed and operated to deliver reliable, high-quality electron beams. High current testing using a DC gun is currently underway to demonstrate 75 mA average current at 350 kV for the EIC low-energy cooler.
This talk will summarize BNL’s experience in photogun design, photocathode preparation, gun performance, and key factors affecting stable long-term operation, with emphasis on how these insights can support the development of electron sources for future collider facilities.
