Doppler-free spectroscopy using magnetically induced dichroism of atomic vapor: a new scheme for laser frequency locking |
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| Authors: | T Petelski M Fattori G Lamporesi J Stuhler GM Tino |
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| Institution: | (1) Dipartimento di Fisica, LENS - Università di Firenze; INFN - Sezione di Firenze, Polo Scientifico dell'Università di Firenze, Via Sansone 1, 50019 Sesto Fiorentino (FI), Italy, IT |
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| 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.
Received 15 October 2002 Published online 17 December 2002 |
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| Keywords: | PACS 39 30 +w Spectroscopic techniques – 33 55 Ad Optical activity optical rotation circular dichroism |
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