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Nanosecond-timescale development of Faraday rotation in an ultracold gas
Jonathan R. Gilbert, Mark A. Watkins, Jacob L. Roberts
When a gas of ultracold atoms is suddenly illuminated by light that is nearly resonant with an atomic transition, the atoms cannot respond instantaneously. This non-instantaneous r…
Collision Assisted Zeeman Cooling with Multiple Types of Atoms
Rebekah C Ferrier, Mathew S Hamilton, Jacob L Roberts
Through a combination of spin-exchange collisions in a magnetic field and optical pumping, it is possible to cool a gas of atoms without requiring the loss of atoms from the gas. W…
Interisotope effects in optimal dual-isotope loading into a shallow optical trap
Mathew S. Hamilton, Anthony R. Gorges, Jacob L. Roberts
Examination of loading the isotopes Rb and Rb simultaneously into a shallow far-off-resonance trap (FORT) has revealed an unexpected decrease in maximum atom number l…
Decoherence via induced dipole collisions in an ultracold gas
Anthony R. Gorges, Mathew S. Hamilton, Jacob L. Roberts
We have studied the effects of loading Rb into a far off resonant trap (FORT) in the presence of an ultracold cloud of Rb. The presence of the Rb resulted in a…
The influence of optical molasses in loading a shallow optical trap
Mathew S. Hamilton, Anthony R. Gorges, Jacob L. Roberts
We have examined loading of 85Rb atoms into a shallow Far-Off-Resonance Trap (FORT) from an optical molasses and compared it to loading from a Magneto-Optical Trap (MOT). We found…
Light Assisted Collisional Loss in a Rb Ultracold Optical Trap
Anthony R. Gorges, Nicholas S. Bingham, Michael K. DeAngelo +2
We have studied hetero- and homonuclear excited state/ground state collisions by loading both Rb and Rb into a far off resonant trap (FORT). Because of the relatively…