Quantum Electronics and Laser Science Conference, 2002. QELS '02.
Quantum Electronics and Laser Science Conference
Long Beach, CA, USA
19-24 May 2002
Summary form only given. The experiment consists of a Sr vapor cell magneto optical trap (MOT). Since for laser-cooled alkaline earth atoms the even isotopes have no hyperfine structure, they provide an ideal system for testing Doppler-cooling theory. (Alkali atoms are subject to sub-Doppler cooling mechanisms.) We have measured the spring constant (k) and damping coefficient (/spl alpha/) in a strontium MOT by observing the damped oscillation response of the trapped atom location to a square-wave chopped pushing beam.
Xu, Xinye; Smith, Matthew J.; Hall, John L.; Gallagher, Alan; and Ye, Jun, "Measurement of Dynamics in Strontlum Magnetc-Optical Trap" (2002). Physics Faculty Contributions. 66.