High-resolution spectroscopy of velocity-selected atoms in a thin cell |
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Authors: | M Otake K Fukuda M Tachikawa |
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Institution: | (1) Department of Physics, Meiji University, 1-1-1 Higashimita, Tama-ku, Kawasaki, Kanagawa 214-8571, Japan, JP;(2) Applied Research and Standards Division, Communications Research Laboratory, 4-2-1 Nukuikita-machi, Koganei, Tokyo 184-8795, Japan, JP |
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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.
Received: 16 January 2002 / Revised version: 11 February 2002 / Published online: 24 April 2002 |
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Keywords: | PACS: 42 62 Fi 32 70 -n |
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