Grucker works on optically-pumped, spin-exchange hyperpolarized helium-3 for quantum-fluid physics and biomedical MRI contrast, part of LKB's polarized-helium team that historically bridges fundamental AMO physics with clinical lung-imaging applications.

Tastevin is a long-standing member of LKB's polarized-helium team, developing optical-pumping hyperpolarization methods for 3He gas used both in fundamental quantum-fluid studies and in hyperpolarized-gas MRI for high-contrast, label-free imaging of lung airspaces.