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Cryogenic cooling system Brayton for 10 J/10 Hz Yb: YAG multi-slab based laser system at ELI-Beamlines project.

Number: pap. 1

Author(s) : SCHUSTR P., FIBRICH M., POLAN J., et al.

Summary

We present design and operational prototype of cryogenic cooling system based on Bryton’s cycle for 10J/10Hz Yb:YAG multi-slab laser system at ELI-Beamlines project. For efficient high energy Yb:YAG laser operation, the laser crystals are required to be cooled at cryogenic temperatures due to the material’s excellent thermo-optic and spectroscopic properties at these temperatures. In our case, the laser was designed for operation at 150 K with maximum heat load of 300 W to be removed from the laser crystals. At this
temperature, the cooling system was capable of dynamically removing the waste heat arising in the Yb:YAG active medium as a result of optical pumping, while keeping the temperature stability within +/- 0.1 K.

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Details

  • Original title: Cryogenic cooling system Brayton for 10 J/10 Hz Yb: YAG multi-slab based laser system at ELI-Beamlines project.
  • Record ID : 30018327
  • Languages: English
  • Source: 1st IIR International Conference of Cryogenics and Refrigeration Technology (ICCRT 2016). Proceedings: Bucharest, Romania, June 22-25, 2016.
  • Publication date: 2016/06/22
  • DOI: http://dx.doi.org/10.18462/IIR.ICCRT.2016.0001

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