Sub-Doppler modulation spectroscopy of potassium for laser stabilization

Details Sub-Doppler modulation spectroscopy of potassium for laser stabilization Sub-Doppler modulation spectroscopy of potassium for laser stabilization

2011-12-21

arxiv.org/abs/1112.4998v1

Physics

Atomic Physics

14 pages, 9 figures

Scientific paper

We study modulation spectroscopy of the potassium D2 transitions at 766.7 nm. Heterodyne detection of pump-probe spectroscopy yields sub-Doppler frequency discriminants suitable for stabilizing lasers in experiments with cold atoms. Comparisons are made between spectra obtained by direct modulation of the probe beam, and those using modulation transfer from the pump via nonlinear mixing. Finally, suggestions are made for further optimization of the signals.

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