Abstract.
We report a method of laser stabilization to an atomic transition frequency, which is based on a magnetically induced nonlinear circular dichroism in the counter-propagating pump-probe configuration. The proposed method does not require any modulation of the laser frequency. In comparison to the linear, Doppler-broadened dichroic lock, the proposed version provides a precise locking to a well-defined atomic resonance at a cost of a smaller capture range. A simple model description of the locking signal is presented and two experimental realizations are shown: for a dye laser at λ=589.6 nm (Na D1 line) and for a diode laser at 795 nm (Rb D1).
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Received: 18 July 2002 / Revised version: 4 September 2002 / Published online: 15 November 2002
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Wasik, G., Gawlik, W., Zachorowski, J. et al. Laser frequency stabilization by Doppler-free magnetic dichroism . Appl Phys B 75, 613–619 (2002). https://doi.org/10.1007/s00340-002-1041-2
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DOI: https://doi.org/10.1007/s00340-002-1041-2