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Radiation pressure force on cold rubidium atoms due to excitation to a non-cooling hyperfine level


Kregar, Gordana; Šantić, Neven; Aumiler, Damir; Ban, Ticijana
Radiation pressure force on cold rubidium atoms due to excitation to a non-cooling hyperfine level // European physical journal D : atomic, molecular and optical physics, 68 (2014), 360-1 doi:10.1140/epjd/e2014-50312-3 (međunarodna recenzija, članak, znanstveni)


Naslov
Radiation pressure force on cold rubidium atoms due to excitation to a non-cooling hyperfine level

Autori
Kregar, Gordana ; Šantić, Neven ; Aumiler, Damir ; Ban, Ticijana

Izvornik
European physical journal D : atomic, molecular and optical physics (1434-6060) 68 (2014); 360-1

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

Ključne riječi
Cold atoms; radiation pressure force; Optical Bloch Equations

Sažetak
We study the radiation pressure force exerted on cold 87Rb atoms captured in a magneto- optical trap (MOT) due to resonant excitation of atoms into the non-cooling 5P1/2(Fe = 2) hyperfine level. We measure the fractional excited population for different MOT parameters such as cooling laser detuning and power, and empirically test the applicability of the Optical Bloch Equations for describing cold atoms in the MOT. We use the effective saturation intensity parameter which enables simple calculation of the fractional excited state population in a multi-level system using a two-level model, and apply it for the radiative force modeling. This approach provides a valuable tool for optical manipulation experiments.

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)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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