Plastic Printed Electron Gun and Faraday Cup Testbed

SPACE TECHNOLOGY

Pauline Xu testing her electron gun under vacuum.

Faraday cup is a conductive metal cup that catches charged particles in a vacuum and measures beam current or charge of the ions. This work discusses the design and testing of an electron gun 3D printed using conductive plastics.

Profile

Name: Pauline Xu, Undergraduate Student

Institution: University of Alaska Fairbanks

Major: High School Student

Mentor: Quetzal Larrick, qaleubkelaroque@alaska.edu

Award: Early Career

Funding Period: 2025 to 2026

Attachment: Xu-UAF_Poster_Alt.pdf