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We have imaged lithium-6 thousands of times in an optical tweezer using$\Lambda$-enhanced gray molasses cooling light. Despite being the lightestalkali, with a recoil temperature of 3.5 $\mu$K, we achieve an imaging survivalof 0.99950(2), which sets the new benchmark for low-loss imaging of neutralatoms in optical tweezers. Lithium is loaded directly from a MOT into a tweezerwith an enhanced loading rate of 0.7. We cool the atom to 70 $\mu$K and presenta new cooling model that accurately predicts steady-state temperature andscattering rate in the tweezer. These results pave the way for ground statepreparation of lithium en route to the assembly of the LiCs molecule in itsground state.

Imaging a $^6$Li Atom In An Optical Tweezer 2000 Times with $\Lambda$-Enhanced Gray Molasses