Abstract
We report on a method of laser stabilization, Doppler-free bichromatic lock (DFBL) in which we use the differential signal of two Lamb-dips shifted in frequency by means of an AOM. We show that this method provides us with a tool for precision locking to a molecular or atomic transition and is relatively simple to implement in a diode or dye laser system without the use of a frequency modulation of the laser or lock-in amplifier. A simple model description of this method is presented and the experimental realization is shown for a dye laser at the Na D1 and D2 line.
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PACS
42.79.Jq; 42.60.Lh; 42.62.Fi
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van Ooijen, E., Katgert, G. & van der Straten , P. Laser frequency stabilization using Doppler-free bichromatic spectroscopy. Appl. Phys. B 79, 57–59 (2004). https://doi.org/10.1007/s00340-004-1522-6
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DOI: https://doi.org/10.1007/s00340-004-1522-6