We have observed a Zeeman effect in an evanescent wave absorption in Rb vapor with a single-mode tunable diode laser. The spectra are obtained for several magnetic field- and laser light-configurations enabling the observation of different pi and sigma Zeeman split lines contribution. The relative amplitudes and relative frequencies of all Zeeman components were calculated theoretically and compared with measured spectra. The analysis of the data can lead to the determination of the polarization state of the evanescent wave.
A flexible and relatively simple and cheap optical dipole mirror for cold rubidium atoms from magneto-optical trap is described, being a very modern and efficient tool for atomic physicists. Emphasis is put on physical processes responsible for the mirror parameters and their optimization. Promising perspectives are provided for evanescent wave properties investigation and atom-surface interaction measurements.
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