Fig. 1: Imaging setup.
a Our quantum gas microscope consists of a high-resolution objective mounted in vacuum. To perform imaging, we send two counter-propagating beams onto the atoms and set the beam polarization and atom quantization axis to maximize the objective collection efficiency (SI). b we expand the lattice spacing to a few micrometers to perform fast fluorescence imaging in free space without cooling or trapping and obtain single-shot images. c is one such image with a Mott Insulator in the center and checkerboard patterns on the edge—a signature of dipolar interactions between the magnetic atoms used in our quantum gas microscope.
