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Spectroscopy of the 689 nm intercombination line of strontium using an extended-cavity InGaP/InGaAIP diode laser |
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| Authors: | G M Tino M Barsanti M de Angelis L Gianfrani M Inguscio |
| Institution: | (1) Dipartimento di Scienze Fisiche, Università di Napoli  Federico II , Mostra d'Oltremare Pad. 20, I-80125 Napoli, Italy;(2) Dipartimento di Fisica dell'Università Firenze and European Laboratory for Nonlinear Spectroscopy (LENS), Largo E. Fermi 2, I-50125 Firenze, Italy;(3) Present address: Scuola Normale Superiore, Piazza dei Cavalieri 7, Pisa, Italy |
| Abstract: | A visible diode laser emitting at 690 nm at room temperature has been frequency-stabilized using a simple scheme based on optical feedback from a diffraction grating. The possibilities offered by these lasers for high-resolution spectroscopy are demonstrated by recording the sub-Doppler signal of the 689 nm intercombination line of strontium and resolving the hyperfine structure of the close P63 R70 (8, 4) transitions of iodine. |
| Keywords: | 42 55 Px 32 30 -r |
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