Abstract.
We propose a novel technique of sub-Doppler spectroscopy using a thin vapor cell. Optical pumping in a thin cell transfers atoms with small velocity components to a specific quantum state. The resultant velocity distribution appears as a sub-Doppler structure in the absorption spectrum of a probe light. A single laser beam from a laser diode is split into two paths: one beam optically pumps Cs atoms on the D2 line, and the other probes the absorption on the same line from a perpendicular direction. Observed hyperfine-resolved spectra and their parameter dependence are analyzed on the basis of rate equations.
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Received: 16 January 2002 / Revised version: 11 February 2002 / Published online: 24 April 2002
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Otake, M., Fukuda, K. & Tachikawa, M. High-resolution spectroscopy of velocity-selected atoms in a thin cell. Appl Phys B 74, 503–508 (2002). https://doi.org/10.1007/s003400200827
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DOI: https://doi.org/10.1007/s003400200827