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Femtosecond laser pulse train effect on Doppler profile of cesium resonance lines (CROSBI ID 129056)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Vujičić, Nataša ; Vdović, Silvije ; Aumiler, Damir ; Ban, Ticijana ; Skenderović, Hrvoje ; Pichler, Goran Femtosecond laser pulse train effect on Doppler profile of cesium resonance lines // European physical journal D : atomic, molecular and optical physics, 41 (2007), 3; 447-454. doi: 10.1140/epjd/e2006-00261-5

Podaci o odgovornosti

Vujičić, Nataša ; Vdović, Silvije ; Aumiler, Damir ; Ban, Ticijana ; Skenderović, Hrvoje ; Pichler, Goran

engleski

Femtosecond laser pulse train effect on Doppler profile of cesium resonance lines

We present direct observation of the velocity-selective optical pumping of the Cs ground state hyperfine levels induced by the fem¬ ; ; ; tosecond (fs) laser oscillator centered at either D2 (6 2S1/2→ 6 2P3/2, 852 nm) or D1 (6 2S1/2→ 6 2P1/2, 894 nm) cesium line. We utilized previously developed modifi ed direct frequency comb spectroscopy (DFCS) which uses a fi xed frequency comb for the excitation and a weak cw scanning probe laser centered at the 133Cs 6 2S1/2→ 6 2P3/2 transition (D2 line) for ground levels population monitoring. The frequency comb excitation changes the usual Doppler absorption profi le into a specific periodic, comblike structure. The mechanism of the velocity selective population transfer between the Cs ground state hyperfi ne levels induced by fs pulse train excitation is verified in a theoretical treatment of the multilevel atomic system subjected to a pulse train resonant field interaction.

frequency comb; femtosecond laser; femtosecond pulse; cesium lines; cesium

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Podaci o izdanju

41 (3)

2007.

447-454

objavljeno

1434-6060

10.1140/epjd/e2006-00261-5

Povezanost rada

Fizika

Poveznice