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Velocity-selective double resonance in Doppler-broadened rubidium vapor


Vujičić, Nataša; Ban, Ticijana; Kregar, Gordana; Aumiler, Damir; Pichler, Goran
Velocity-selective double resonance in Doppler-broadened rubidium vapor // Physical Review A - Atomic, Molecular, and Optical Physics, 87 (2013), 013438-1 doi:10.1103/PhysRevA.87.013438 (međunarodna recenzija, članak, znanstveni)


Naslov
Velocity-selective double resonance in Doppler-broadened rubidium vapor

Autori
Vujičić, Nataša ; Ban, Ticijana ; Kregar, Gordana ; Aumiler, Damir ; Pichler, Goran

Izvornik
Physical Review A - Atomic, Molecular, and Optical Physics (1050-2947) 87 (2013); 013438-1

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Two-photon excitation; frequency comb; rubidium; velocity-selective double resonance

Sažetak
We study resonantly enhanced cascaded two-photon transitions in Doppler-broadened rubidium vapor, induced by an optical frequency comb. Cascaded two-step excitation of atoms from the ground state 5S1/2 to the final 5D5/2 state via an intermediate 5P3/2 state as well as the influence of the frequency comb repetition rate on the two-photon fluorescence signal have been investigated. It is shown that the careful choice of fR leads to enhancement of the two-photon signal with considerable increase of the final 5D5/2-state population due to velocity-selective double resonance. Since the double-resonance condition for two different rubidium isotopes is fulfilled for different fR, the possibility of isotope-selective two-photon excitation is explored. The dependence of the two-photon signal on external magnetic field values and different repetition rates of the optical frequency comb is also investigated.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
035-0352851-2857 - Femtosekundna laserska fizika atoma i molekula (Goran Pichler, )

Ustanove
Institut za fiziku, Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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