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- Title
Electromagnetically Induced Transparency in Potassium Vapors: Features and Restrictions.
- Authors
Sargsyan, A.; Petrov, P.; Vartanyan, T.; Sarkisyan, D.
- Abstract
Features of electromagnetically induced transparency (EIT) in potassium vapors at the D line of the K isotope are studied. EIT resonances with a subnatural width of 3.5 MHz have been recorded upon excitation by two independent narrow-band diode lasers in a 1-cm-long cell filled with a natural mixture of potassium isotopes and buffer gas. The splitting of EIT resonances in potassium vapors in longitudinal and transverse magnetic fields has been studied for the first time. The splitted components also have a subnatural width. The smallness of the coupling factor of the hyperfine structure in K atoms leads to a transition to the Paschen-Back regime at relatively weaker magnetic fields than in the case of Cs, Rb, and Na atoms. Practical applications of the phenomena under study are noted. The theoretical model well explains the experiment.
- Subjects
POTASSIUM vapor; POTASSIUM isotopes; MAGNETIC fields; PASCHEN-Back effect; HYPERFINE structure
- Publication
Optics & Spectroscopy, 2016, Vol 120, Issue 3, p339
- ISSN
0030-400X
- Publication type
Article
- DOI
10.1134/S0030400X16030206