Off resonance laser frequency stabilization using the Faraday effect

Details Off resonance laser frequency stabilization using the Faraday effect Off resonance laser frequency stabilization using the Faraday effect

2010-07-15

arxiv.org/abs/1007.2531v2

Optics Letters, Vol. 36, Issue 1, pp. 64-66 (2011)

Physics

Atomic Physics

3 pages, 4 figures

Scientific paper

10.1364/OL.36.000064

We present a simple technique for stabilization of a laser frequency off resonance using the Faraday effect in a heated vapor cell with an applied magnetic field. In particular we demonstrate stabilization of a 780 nm laser detuned up to 14 GHz from the 85Rb D2 5 2S_1/2 F = 2 to 5 2P_3/2 F' = 3 transition. Control of the temperature of the vapor cell and the magnitude of the applied magnetic field allows locking ~6-14 GHz red and blue detuned from the atomic line. We obtain an rms fluctuation of 16(1) MHz over one hour without stabilization of the cell temperature or magnetic field.

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