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Optical Engineering

Simple digital system for tuning and long-term frequency stabilization of a CW Ti:Sapphire laser
Author(s): Ilya I. Beterov; Asparuh G. Markovski; Sergey M. Kobtsev; Elena A. Yakshina; Vasily M. Entin; Denis B. Tretyakov; Vladimir I. Baraulya; Igor I. Ryabtsev
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Paper 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.

Paper Details

Date Published: 19 March 2015
PDF: 5 pages
Opt. Eng. 54(3) 034111 doi: 10.1117/1.OE.54.3.034111
Published in: Optical Engineering Volume 54, Issue 3
Show Author Affiliations
Ilya I. Beterov, A.V. Rzhanov Institute of Semiconductor Physics (Russia)
Novosibirsk State Univ. (Russia)
Asparuh G. Markovski, Univ. of Latvia (Latvia)
Technical Univ. of Sofia (Bulgaria)
Sergey M. Kobtsev, Novosibirsk State Univ. (Russia)
"Tekhnoscan-Lab", LLC (Russia)
Elena A. Yakshina, A.V. Rzhanov Institute of Semiconductor Physics (Russia)
Novosibirsk State Univ. (Russia)
Russian Quantum Ctr. (Russia)
Vasily M. Entin, A.V. Rzhanov Institute of Semiconductor Physics (Russia)
Denis B. Tretyakov, A.V. Rzhanov Institute of Semiconductor Physics (Russia)
Vladimir I. Baraulya, Novosibirsk State Univ. (Russia)
"Tekhnoscan-Lab", LLC (Russia)
Igor I. Ryabtsev, V.E. Lashkaryov Institute of Semiconductor Physics (Russia)
Novosibirsk State Univ. (Russia)
Russian Quantum Ctr. (Russia)


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