| Issue |
E3S Web Conf.
Volume 592, 2024
International Scientific Conference Energy Management of Municipal Facilities and Environmental Technologies (EMMFT-2024)
|
|
|---|---|---|
| Article Number | 03015 | |
| Number of page(s) | 5 | |
| Section | Energy Production, Storage, and Distribution | |
| DOI | https://doi.org/10.1051/e3sconf/202459203015 | |
| Published online | 20 November 2024 | |
On the saturation of excitation-dependent dipole-dipole broadening in dense Rb vapour
1 Joint Institute for High Temperatures, Russian Academy of Sciences, 13, Izhorskaya St. 125412, Moscow, Russia
2 National Research Nuclear University, Moscow Engineering Physics Institute, 31, Kashirskoye Chaussee, 115409, Moscow, Russia
* Corresponding author: abobrov@inbox.ru
We study dependence of dipole-dipole interaction in dense Rb vapour on optical excitation. We measure the dipole-dipole contribution to the selective reflection spectrum of D2 line. Optical excitation is created by intense laser beam, which depletes the 5S1/2 population and decreases the dipole-dipole interaction, narrowing the observed spectrum. The limit of the dipole-dipole interaction change is determined by the optical saturation of the D2 transition and corresponds to the 5S1/2 population approximately equal to 1/3.
© The Authors, published by EDP Sciences, 2024
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