In-situ imaging corner stone setting experiment by Chin's group at Chicago 产殘 Absorption imaging of density profile of thin layer cold atoms in 2-D optical 4 lattice with a high numerical aperture -40040-40040-40040 Distance(um) Imaging lens. 15° Gemelke, N, Zhang, X, Hung, C.-L& Chin, Nature, 460, 995 (2009)Gemelke, N., Zhang, X., Hung, C.-L. & Chin, Nature, 460, 995 (2009) Absorption imaging of density profile of thin layer cold atoms in 2-D optical lattice with a high numerical aperture imaging lens. In-situ imaging: corner stone setting experiment by Chin’s group at Chicago