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SELECTION OF UNRESOLVED HYPERFINE STATES IN ATOMS AND MOLECULES VIA AUTLER-TOWNES EFFECT
 

Summary: 1
SELECTION OF UNRESOLVED HYPERFINE STATES IN ATOMS AND
MOLECULES VIA AUTLER-TOWNES EFFECT
T. Kirova1
, A. Ekers1
, M. Auzinsh1
, N. Bezuglov2
, K. Blushs1
1
Institute of Atomic Physics and Spectroscopy, University of Latvia, Riga, Latvia
2
Fock Institute of Physics, St. Petersburg State University, St. Petersburg, Russia
Autler-Townes effect is studied in atomic and molecular level systems where hyperfine
structure is present. A three-level ladder scheme coupled by two laser fields is investigated in
Na and Na2 by using a theoretical model based on solving the density matrix equations of motion.
Simulations show that application of a strong coupling field between the intermediate and the final
states of the ladder results in resolution of the MF Zeeman sublevels of the hyperfine levels F if the
hyperfine structure is resolved. This resolution vanishes if the hyperfine levels are initially
unresolved spectroscopically. In Na2 MF components can be resolved if the excitation spectra
are calculated separately for selected sub-ladders of F-levels. Inclusion of all F-levels

  

Source: Auzinsh, Marcis - Department of Physics, University of Latvia

 

Collections: Physics