Characterization of an optical frequency comb using modifed direct frequency comb spectroscopy (CROSBI ID 153094)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Aumiler, Damir ; Ban, Ticijana ; Vujičić, Nataša ; Vdović, Silvije ; Skenderović, Hrvoje ; Pichler, Goran
engleski
Characterization of an optical frequency comb using modifed direct frequency comb spectroscopy
We introduce a method for determination of the absolute frequencies of comb lines within the optical frequency comb spectrum. The method utilizes the experimental and theoretical approach of the velocity selective optical pumping of the atomic ground state hyperfne levels induced by resonant pulse train excitation. The information on the laser pulse repetition frequency and carrier-envelope ofset are physically mapped onto the 87Rb ground state hyperfne level population velocity distributions. Theoretical spectra are calculated using an iterative analytic solution of the optical Bloch equations describing the resonant pulse-train excitation of 4-level 87Rb atoms. They are employed to fit the measured spectra and obtain the parameters of the frequency comb, thus providing a practical algorithm which can be used in real-time measurements.
optical frequency comb; frequency comb; modifed direct frequency comb spectroscopy
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Podaci o izdanju
97 (3)
2009.
553-560
objavljeno
0946-2171
10.1007/s00340-009-3630-9