I. Bloch's group's work to resolve single lattice site Optical lattice laser beams Mirror 1.064 nm Window 780 nm High-resolution objective (NA=0.66) 16μ 1. Bloch et al, Nature, 467, 68(2010)I. Bloch et al, Nature, 467, 68(2010) I. Bloch’s group’s work to resolve single lattice site