Sub-Doppler spectroscopy of the near-UV Cs atom 6S$_{1/2}$-7P$_{1/2}$ transition in a microfabricated vapor cell
arxiv(2023)
摘要
We report on the characterization of sub-Doppler resonances detected by
probing the 6S$_{1/2}$-7P$_{1/2}$ transition of Cs atom at 459 nm in a
microfabricated vapor cell. The dependence of the sub-Doppler resonance
(linewidth, amplitude) on some key experimental parameters, including the laser
intensity and the cell temperature, is investigated. These narrow atomic
resonances are of interest for high-resolution spectroscopy, instrumentation,
and may constitute the basis of a near-UV microcell optical standard.
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