Parts | Days | Selection | Search | Updates | Downloads | Help

Q: Fachverband Quantenoptik und Photonik

Q 64: Poster – Ultra-cold atoms, ions and BEC (joint session A/Q)

Q 64.18: Poster

Thursday, March 5, 2026, 17:00–19:00, Philo 1. OG

Design of a Dual-Species Atomic Beam Source for High Rubidium and Lithium Flux — •Florian Anschütz¹, Raphael Benz¹, Jennifer Krauter¹, Maximilian Futterknecht¹, Utzuri Ursula Högl Vidal¹, Óscar Andrey Herrera Sancho^1,2, Florian Meinert¹, Robert Löw¹, and Tilman Pfau¹ — ¹5. Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany — ²Escuela de Física, Universidad de Costa Rica, 2060 San Pedro, San José, Costa Rica

Lithium is a promising atomic platform for studying Rydberg molecules in the ultracold regime. For example Rydberg molecules made from Li atoms will allow for resolved rotational spectra, and will allow to study atom ion collisions in the quantum regime. We present the design of a rubidium-lithium dual-species atomic beam source developed for future integration into a high-resolution ion microscope. In order to advance towards dual-species scattering experiments with rubidium and lithium, a bright and well-controlled dual-species atomic beam source is essential. The current source produces overlapping Rb and Li beams with estimated MOT loading rates on the order of 1× 10⁹ 1/s for ⁸⁷Rb (120 ^∘C) and 3× 10⁹ 1/s for ⁶Li (400 ^∘C) under dual-species operation. With an improved design, we aim to increase the Rb flux by a factor of 2−3 while maintaining comparable single-species flux performance. We backup this new design with Monte-Carlo Molecular-Dynamics simulations.

Keywords: Rubidium; Lithium; Atomic Beam Source; Laser Cooling