Single-atom absorption imaging

E. W. Streed, A. Jechow, B. G. Norton, M. J. Petrasiunas, D. Kielpinski
2011 2011 International Quantum Electronics Conference (IQEC) and Conference on Lasers and Electro-Optics (CLEO) Pacific Rim incorporating the Australasian Conference on Optics, Lasers and Spectroscopy and the Australian Conference on Optical Fibre Technology  
We demonstrate the first absorption imaging of a single atom. Absorption depths of up to 2.6(2)% were observed for laser cooled 174 Yb + ions illuminated at 369.5 nm and imaged with a phase Fresnel lens.
doi:10.1109/iqec-cleo.2011.6193893 fatcat:ho345k5svzc57ixle2bmn6ojpa