Naslov
Enhanced sensitivity rubidium velocity comb measurements

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

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, stručni

Izvornik
Proceedings of the 9th European Conference on Atoms Molecules & Photons (ECAMP) ; We5-16 / Charalambidis, D. ; Farantos, S. ; Lambropoulos, P. - Heraklion : European Physical Society (EPS), 2007, 541-541

Skup
European Conference on Atoms Molecules & Photons (9 ; 2007)

Mjesto i datum
Heraklion, Grčka, 06.05.2007. - 11.05.2007

Vrsta sudjelovanja
Poster

Vrsta recenzije
Nije recenziran

Ključne riječi
frequency comb; coherent accumulation; optical pumping

Sažetak
An experimental technique with enhanced sensitivity for the rubidium atom velocity comb observation will be presented. Rubidium atom velocity comb, observed as modulation of probe cw laser transmission, is a result of the velocity selective optical pumping induced by the resonant frequency comb excitation of Rb atoms. Resonant excitation of the rubidium atoms by discrete frequency comb optical spectrum results in the comb-like velocity distribution of the excited state hyperfine level populations and velocity-selective population transfer between the Rb ground state hyperfine levels. Decrease of the effective relaxation time of the Rb system is observed in the strong probe case, leading to the gradual change from the frequency comb excitation to the pulse by pulse excitation. We expand the theoretical model presented in our previous papers to directly calculate the probe laser absorption and show preliminary results which support the experimental data.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

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