Zeeman Electromagnetically Induced Transparency with crossed pump and probe beams: Small angle dependence

Progress toward undergraduate oriented experiments on image storage in room-temperature atomic vapor using Electromagnetically Induced Transparency is described. Using a scanning longitudinal magnetic field technique we diagnose and suppress stray magnetic fields and polarization impurity. Following Carvalho et al. \textit{Phys. Rev. A} \textbf{70}, 063818 (2004) we consider the pump-probe angular dependence of the EIT signal but at much smaller angles of less than a milliradian.