Doppler-free spectroscopy of molecular iodine using a frequency-stable light source at 578 nm

Details Doppler-free spectroscopy of molecular iodine using a frequency-stable light source at 578 nm Doppler-free spectroscopy of molecular iodine using a frequency-stable light source at 578 nm

2009-02-03

arxiv.org/abs/0902.0463v1

Physics

Atomic Physics

8 pages

Scientific paper

10.1364/OE.17.001652

A stable light source obtained using sum-frequency generation (SFG) is developed for high-resolution spectroscopy at 578 nm. Hyperfine transitions of molecular iodine are observed by using the SFG light source with saturation spectroscopy. The light source is frequency stabilized to the observed hyperfine transition and achieves a stability of 2*10-12 for a 1-s averaging time. The absolute frequency of the light source stabilized on the a1 component of the R(37)16-1 transition is determined as 518304551833 (2) kHz. This transition serves as a frequency reference for the 1S0 - 3P0 optical clock transition in neutral ytterbium (Yb).

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