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An Injection-Locked Diode Laser For Cold Rydberg Atom Experiments, Margaret S. Martei, Anders P. Wood, Duncan A. Tate
An Injection-Locked Diode Laser For Cold Rydberg Atom Experiments, Margaret S. Martei, Anders P. Wood, Duncan A. Tate
Undergraduate Research Symposium (UGRS)
A free-running, temperature stabilized diode laser has been injection-locked to an external cavity diode laser for use in cold Rydberg atom experiments. Cold rubidium atoms in a magneto-optical trap (MOT) are excited to Rydberg states using a 10 ns laser pulse. The Rydberg atoms spontaneously ionize due to dipole forces, and the collisional ionization dynamics are observed as a function of atom density and principal quantum number of the Rydberg state, n. The injection-locked diode laser will be used as a repumper in conjunction with a dark spontaneous-force optical trap (SPOT) to increase the Rydberg state density. We report on …