New approach to long-term frequency stabilisation of radiation of single-frequency lasers

Sergey Kobtsev; Stepan Kandrushin; Andrey Potekhin

doi:10.1117/12.753015

10 August 2007 New approach to long-term frequency stabilisation of radiation of single-frequency lasers

Sergey Kobtsev, Stepan Kandrushin, Andrey Potekhin

Proceedings Volume 6731, International Conference on Lasers, Applications, and Technologies 2007: Advanced Lasers and Systems; 67312U (2007) https://doi.org/10.1117/12.753015
Event: International Conference on Lasers, Applications, and Technologies '07, 2007, Minsk, Belarus

Abstract

In the present work, a new approach to long-term stabilisation of radiation frequency generated by single-frequency lasers has been experimentally demonstrated. The essence of this approach is in the use of high-precision radiation wavelength meter as a spectral reference. For the first time the method was experimentally demonstrated for reduction of long-term radiation line drift of single-frequency CW Ti:Sapphire / Dye lasers. Generation line drift of lasers was reduced approximately by an order of magnitude down to 40 MHz/hour, which corresponds to the residual drift in readings of the wavelength meter itself. The implemented automatic frequency control system allows to locks the laser generation frequency to a specified absolute value. This approach may be used in single-frequency lasers of different types (solid-state, fibre, diode, dye lasers, etc.) and allows reduction by an order of magnitude or more of the long-term generation line drift in lasers which are not equipped with other systems for long-term stabilisation of output radiation frequency.

Citation Download Citation

Sergey Kobtsev, Stepan Kandrushin, and Andrey Potekhin "New approach to long-term frequency stabilisation of radiation of single-frequency lasers", Proc. SPIE 6731, International Conference on Lasers, Applications, and Technologies 2007: Advanced Lasers and Systems, 67312U (10 August 2007); https://doi.org/10.1117/12.753015

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