Instrumentation, Techniques, and Measurement

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

[+] Author Affiliations
Ilya I. Beterov

Rzhanov Institute of Semiconductor Physics SB RAS, Department of Quantum Electronics, 630090 Novosibirsk, Russia

Novosibirsk State University, Department of Physics, 630090 Novosibirsk, Russia

Asparuh G. Markovski

University of Latvia, Faculty of Physics and Mathematics, LV-1002 Riga, Latvia

Technical University of Sofia, Faculty of Automatics, 1000 Sofia, Bulgaria

Sergey M. Kobtsev, Vladimir I. Baraulya

Novosibirsk State University, Department of Physics, 630090 Novosibirsk, Russia

Tekhnoscan Lab LLC, 630090, Novosibirsk, Russia

Elena A. Yakshina, Igor I. Ryabtsev

Rzhanov Institute of Semiconductor Physics SB RAS, Department of Quantum Electronics, 630090 Novosibirsk, Russia

Novosibirsk State University, Department of Physics, 630090 Novosibirsk, Russia

Russian Quantum Center, Skolkovo, Moscow Reg., 143025, Russia

Vasily M. Entin, Denis B. Tretyakov

Rzhanov Institute of Semiconductor Physics SB RAS, Department of Quantum Electronics, 630090 Novosibirsk, Russia

Opt. Eng. 54(3), 034111 (Mar 19, 2015). doi:10.1117/1.OE.54.3.034111
History: Received January 21, 2015; Accepted March 2, 2015
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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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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Ilya I. Beterov ; Asparuh G. Markovski ; Sergey M. Kobtsev ; Elena A. Yakshina ; Vasily M. Entin, et al.
"Simple digital system for tuning and long-term frequency stabilization of a CW Ti:Sapphire laser", Opt. Eng. 54(3), 034111 (Mar 19, 2015). ; http://dx.doi.org/10.1117/1.OE.54.3.034111


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