Ytterbium magneto-optical trap at 556nm ((c) VLBAI-Yb lab/LUH).Green fluorescence in a blue ytterbium MOT ((c) VLBAI-Yb lab/LUH).Fluorescence from a rubidium magneto-optical trap ((c) VLBAI-Rb lab/LUH).Green lasers are pretty green, even at low power.Quasi in-situ shot of K39; F=2 hyperfine state after a microwave pi-pulse…Quantum sensors for Earth Observation…unfinished work.Ytterbium magneto-optical trap operated on the blue 399nm line ((c) VLBAI-Yb lab/LUH).Fun with Bose-Einstein condensates in time-averaged potentials ((c) QPORT lab/LUH).How many laser-cooled atoms fit into a banana? ((c) Ali Lezeik/LUH)