(Institute of Physics, 2011) Magkiriadou, Sofia; Patterson, David; Nicolas, Timothée; Doyle, John
Cold and optically dense gases of atomic rubidium are produced using buffer gas cooling in combination with rapid, high-flow vapor injection. The observed rubidium density is 3 × 10(^{12})cm(^{−3}) at a gas temperature of ∼20 K, leading to an optical density of the order of 200.
