Bonn 2025 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 25: Poster – Cold Atoms and Molecules, Matter Waves (joint session Q/A/MO)

Q 25.40: Poster

Dienstag, 11. März 2025, 14:00–16:00, Tent

Design and characterization of a compact and transportable strontium MOT — •Darius Hoyer and Simon Stellmer — Physikalisches Institut, Bonn, Deutschland

The broad linewidth of the 461 nm (5s5s) ¹S₀ → (5s5p) ¹P₁ transition of strontium allows for efficient laser cooling and trapping in a magneto-optical trap (MOT). This results in a bright MOT that is visible to the naked eye. Thus the Sr MOT is an ideal toy model for making quantum optics more accessible to a wide audience.
We present the design of a transportable Sr MOT based on permanent magnets for the Zeeman slower and the MOT.

Keywords: Magneto optical trap; Laser cooling