High-power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical applications

Kim, G. H., Yang, J.H., Lee, B., Kim, J., Heo, D., Chizhov, S.A., Sall, E.G., Yashin, V.E.

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Kim G.H., Yang J., Lee B., Kim J.W., Heo D.C., Чижов С.А., Салль Е.Г., Яшин В.Е. Мощные импульсно-периодические лазеры со сверхкороткой длительностью импульса с прямой диодной накачкой на основе иттербиевых сред для технологических и биомедицинских применений // Оптический журнал. 2018. Т. 85. № 11. С. 29–38. http://doi.org/10.17586/1023-5086-2018-85-11-29-38

Kim G.H., Yang J., Lee B., Kim J.W., Heo D.C., Chizhov S.A., Sall E.G., Yashin V.E. High-power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical applications [in Russian] // Opticheskii Zhurnal. 2018. V. 85. № 11. P. 29–38. http://doi.org/10.17586/1023-5086-2018-85-11-29-38

For citation (Journal of Optical Technology):

G. H. Kim, J. Yang, B. Lee, J. W. Kim, D. C. Heo, S. A. Chizhov, E. G. Sall’, and V. E. Yashin, "High-power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical applications," Journal of Optical Technology. 85(11), 679-686 (2018). https://doi.org/10.1364/JOT.85.000679

Abstract:

A number of femtosecond laser systems have been created based on the amplification of chirped and supershort pulses and implemented in broadband ytterbium-doped laser gain media (Yb:KGW and Yb:YAG) with direct laser diode pumping. The use of various active element geometries in the form of thin plates and thin rods makes it possible to obtain pulses with an average radiation power of 10–100 W. The quality of the laser beam is close to that of a diffraction-limited beam. All of these parameters allow the use of laser systems developed for various technological and biomedical applications requiring high-precision laser exposure.

Keywords:

femtosecond pulses, KGW:Yb, YAG:Yb, master oscillator, laser amplifier, spectral profiling

Acknowledgements:

The authors are grateful to O. V. Palashov, I. B. Mukhin, and I. I. Kuznetsov for fabricating the AEs and discussing the results of the experiments. This work was supported by the Korea Electrotechnology Research Institute’s primary research program through the National Research Council of Science & Technology (NST) funded by the MSIP (18-12-N0101-41).

OCIS codes: 140.3480, 140.7090

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