We demonstrate a Doppler-free spectroscopic method that we test on 87Rb and 85Rb vapor. By using a magnetic field to induce a dichroism on the sample, we generate a dispersive signal with low background, which allows us to lock a diode laser even on small spectroscopic features. We elaborate the advantages of this simple and easy method by comparing it to other methods.
Doppler-free spectroscopy using magnetically induced dichroism of atomic vapor: a new scheme for laser frequency locking / T. Petelski; M. Fattori; G. Lamporesi; J. Stuhler; G.M. Tino. - In: THE EUROPEAN PHYSICAL JOURNAL. D, ATOMIC, MOLECULAR AND OPTICAL PHYSICS. - ISSN 1434-6060. - STAMPA. - 22:(2003), pp. 279-283. [10.1140/epjd/e2002-00238-4]
Doppler-free spectroscopy using magnetically induced dichroism of atomic vapor: a new scheme for laser frequency locking
FATTORI, MARCO;TINO, GUGLIELMO MARIA
2003
Abstract
We demonstrate a Doppler-free spectroscopic method that we test on 87Rb and 85Rb vapor. By using a magnetic field to induce a dichroism on the sample, we generate a dispersive signal with low background, which allows us to lock a diode laser even on small spectroscopic features. We elaborate the advantages of this simple and easy method by comparing it to other methods.
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