COLLISIONAL DEPOLARIZATION OF ZEEMAN COHERENCES IN THE $^{133}$Cs $6p^{2}P_{3/2}$ LEVEL WITH ARGON MOLECULES: TWO-PHOTON POLARIZATION SPECTROSCOPY
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Date
2006
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Ohio State University
Abstract
An experimental investigation of the Cs $6s^{2}S_{1/2}\rightarrow6p^{2}P_{3/2}\rightarrow10s^{2}S_{1/2}$ double resonance two-photon polarization spectrum has been made. In the investigation, a linear polarization degree was measured to extract the alignment depolarization cross section in the cesium $6p^{2}P_{3/2}$ level due to collisions between ground-level argon and excited $6p^{2}P_{3/2}$ cesium atoms over the Zeeman coherences. The spectra show strong depolarization of the Cs $6p^{2}P_{3/2}$ level. The measured alignment depolarization cross section value of $186$ (58)$ \AA^2$ is in good agreement with experiment and theoretical predictions.
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Author Institution: Miami University, Physics Department, Oxford, OH 45056