Temperature Dependence of Rb 5P Fine-Structure Transfer Induced By He-4 Collisions
Physics and Astronomy
Employing ultrafast laser excitation and time-correlated single-photon counting, we have measured the fine-structure transfer between Rb 5P states induced by collisions with 4He buffer gas at temperatures up to 150°C. The temperature dependence of the binary cross section agrees with earlier measurements. Our data show that the temperature dependence of the three-body rate is about the same as that of the binary rate. The three-body rate can be described as arising from the reduction of the rubidium fine-structure splitting due to nearby helium atoms. (C) 2012 Optical Society of America
Sell, J. F.,
Knize, R. J.
(2012). Temperature Dependence of Rb 5P Fine-Structure Transfer Induced By He-4 Collisions. Optics Letters, 37(10), 1637-1639.
Available at: https://aquila.usm.edu/fac_pubs/246