A 70 W thulium-doped all-fiber laser operating at 1940 nm

Authors

  • Adrian Grzegorczyk Institute of Optoelectronics Military University of Technology 2 S. Kaliskiego Street 00-908 Warsaw, Poland
  • Marcin Mamajek Institute of Optoelectronics Military University of Technology 2 S. Kaliskiego Street 00-908 Warsaw, Poland

DOI:

https://doi.org/10.4302/plp.v11i3.928

Abstract

An all-fiber thulium-doped fiber laser operating at a wavelength of 1940 nm is reported. A maximum output continuous-wave power of 70.7 W with a slope efficiency of 59%, determined with respect to the absorbed pump power, was demonstrated. The laser delivered almost a single-mode beam with a beam quality factor of < 1.3.

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References

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Published

2019-09-30

How to Cite

[1]
A. Grzegorczyk and M. Mamajek, “A 70 W thulium-doped all-fiber laser operating at 1940 nm”, Photonics Lett. Pol., vol. 11, no. 3, pp. 81–83, Sep. 2019.

Issue

Vol. 11 No. 3 (2019)

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Articles

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