Mainz 2026 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 36: Poster – Ultra-cold Atoms, Ions and BEC (joint session A/Q)

A 36.17: Poster

Donnerstag, 5. März 2026, 17:00–19:00, Philo 1. OG

Transportable magneto-optical trap of strontium for educational outreach — •Darius Hoyer, Sophia Paul, Johanna Kramer, and Simon Stellmer — Physikalisches Institut, Bonn, Deutschland

The broad linewidth of the 461 nm transition of strontium enables efficient laser cooling and trapping, producing a bright MOT visible to the naked eye. This makes the Sr MOT an ideal, accessible system for demonstrating physics and quantum optics.
We present both the simulation and realization of a portable Sr MOT using permanent magnets for the Zeeman slower and the MOT.

Keywords: Magneto optical trap; Laser cooling