Scientific Results

External cell optogalvanic stabilization of a CO2 laser: Quantitative analysis and frequency measurement in the sequence band

Year: 1990

Authors: Zink L., Pavone FS., Meucci R., Prevedelli M., Inguscio M.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy;
European Laboratory for Nonlinear Spectroscopy, Firenze, Italy;
Dipartimento di Scienze Fisiche, Università di Napoli, Italy

Abstract: We investigated optogalvanic stabilization of CO2 lasers using a low pressure external discharge. Heterodyning against a 4.3 μm fluorescene stabilized laser shows an optimum frequency stability of 70 kHz over five minutes. Discharge pressure and current effects on the frequency reproducibility are investigated. A direct frequency measurement of an optogalvanic Lamb-dip stabilized sequence band laser is reported with an improvement by a factor of three on the previous measurement

Journal/Review: OPTICS COMMUNICATIONS (PRINT)

Volume: 77 (1)      Pages from: 41  to: 44

KeyWords: Fluorescence; Spectroscopy, Emission, Heterodyning; Optogalvanic Stabilization, Lasers, Carbon Dioxide
DOI: 10.1016/0030-4018(90)90457-5

Citations: 8
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