Simple digital system for tuning and long-term frequency stabilization of a CW Ti:Sapphire laser

Ilya I. Beterov; Asparuh G. Markovski; Sergey M. Kobtsev; Elena A. Yakshina; Vasily M. Entin; Denis B. Tretyakov; Vladimir I. Baraulya; Igor I. Ryabtsev

doi:10.1117/1.OE.54.3.034111

19 March 2015 Simple digital system for tuning and long-term frequency stabilization of a CW Ti:Sapphire laser

Ilya I. Beterov, Asparuh G. Markovski, Sergey M. Kobtsev, Elena A. Yakshina, Vasily M. Entin, Denis B. Tretyakov, Vladimir I. Baraulya, Igor I. Ryabtsev

Author Affiliations +

Optical Engineering, Vol. 54, Issue 3, 034111 (March 2015). https://doi.org/10.1117/1.OE.54.3.034111

Abstract

We have implemented a simple digital system for long-term frequency stabilization and locking to an arbitrary wavelength of the single-frequency ring CW Ti:Sapphire laser. This system is built using two confocal Fabry-Pérot cavities, one of which is used to narrow the short-term linewidth of the laser and the other to improve the long-term stability of the laser frequency. The length of the second cavity is stabilized using the radiation from an external-cavity diode laser locked to an atomic transition. Our system is an improvement of a commercial Tekhnoscan laser lock. This system has been successfully used in our experiments on high-resolution laser spectroscopy of ultracold rubidium Rydberg atoms.

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Ilya I. Beterov, Asparuh G. Markovski, Sergey M. Kobtsev, Elena A. Yakshina, Vasily M. Entin, Denis B. Tretyakov, Vladimir I. Baraulya, and Igor I. Ryabtsev "Simple digital system for tuning and long-term frequency stabilization of a CW Ti:Sapphire laser," Optical Engineering 54(3), 034111 (19 March 2015). https://doi.org/10.1117/1.OE.54.3.034111

Published: 19 March 2015

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