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Increasing the laser damage threshold of the Nd:YAG crystal by ArF laser irradiation

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An Erratum to this article was published on 31 July 2014

Abstract.

A Nd:YAG crystal sample was irradiated by 200 pulses of ArF excimer laser at 35mJ/cm^2 laser fluence and 1Hz repetition rate. The optical absorption of the Nd:YAG crystal was decreased in the whole spectral range of the ultraviolet visible near-infrared region after ArF laser irradiation and some oxygen vacancies of the Nd:YAG crystal were removed according to its additional absorption spectrum. A laser-induced damage threshold (LIDT) measurement of the ArF laser treated crystal was performed by linearly polarized 30ns, 1064nm single longitudinal mode, TEM00 laser pulses. The LIDT of the ArF-laser-irradiated crystal was found to be 302±35 J/cm^2, about three times higher than the LIDT of the unirradiated crystal. Thus, the laser-treated Nd:YAG crystal is preferred to apply as the laser amplifier medium, due to the possibility of further laser amplification caused by the higher damage threshold of the amplifier medium.

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Authors and Affiliations

  1. Laser and Optics Research Institute, Tehran, Iran

    S. Panahibakhsh, S. Jelvani & M. H. Maleki

  2. Department of energy engineering and physics, Amirkabir University of Technology, Tehran, Iran

    S. Panahibakhsh

  3. Department of Physics, Iran University of Science and Technology, Tehran, Iran

    M. Mollabashi

  4. Department of Physics, the University of Guilan, Rasht, Iran

    M. Jaberi

Authors
  1. S. Panahibakhsh
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  2. S. Jelvani
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  3. M. H. Maleki
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  4. M. Mollabashi
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  5. M. Jaberi
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Correspondence to S. Panahibakhsh.

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Panahibakhsh, S., Jelvani, S., Maleki, M.H. et al. Increasing the laser damage threshold of the Nd:YAG crystal by ArF laser irradiation. Eur. Phys. J. Plus 129, 37 (2014). https://doi.org/10.1140/epjp/i2014-14037-y

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  • DOI: https://doi.org/10.1140/epjp/i2014-14037-y

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