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Journal of Russian Laser Research

, Volume 40, Issue 3, pp 237–242 | Cite as

Composite Ceramic Nd3+:YAG/Cr4+:YAG Laser Elements

  • V. V. Balashov
  • V. V. Bezotosnyi
  • E. A. Cheshev
  • V. P. Gordeev
  • A. Yu. Kanaev
  • Yu. L. Kopylov
  • A. L. Koromyslov
  • K. V. Lopukhin
  • K. A. PolevovEmail author
  • I. M. Tupitsyn
Article
  • 9 Downloads

Abstract

We produce composite ceramic laser elements Nd3+:YAG/Cr4+:YAG using two different methods, i.e., (1) layer-by-layer uniaxial pressing in a metallic mold with sequential addition of appropriate portions of the powder; (2) stacking and pressing of previously uniaxially pressed tablets in a cold isostatic press. In lasers where composite ceramic Nd3+:YAG/Cr4+:YAG elements are used together with longitudinal diode pumping, we obtain the lasing regime for both types of active elements at a wavelength of 1,064 nm in the Q-switch mode. Lasers with ceramic composites produced by stacking and cold isostatic pressing of the previously pressed tablets demonstrate a slope efficiency (~30–33%) even higher than lasers with crystalline saturable absorber (~21%). Lasers based on ceramic composites manufactured by layer-by-layer pressing of powders have an efficiency of ~11–19%. Composites made by stacking and cold isostatic pressing of the previously pressed tablets demonstrate a generation threshold close to those in lasers with crystalline saturable absorbers.

Keywords

composite ceramics laser elements Q-switch diode end pump 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • V. V. Balashov
    • 2
  • V. V. Bezotosnyi
    • 1
  • E. A. Cheshev
    • 1
  • V. P. Gordeev
    • 1
  • A. Yu. Kanaev
    • 3
  • Yu. L. Kopylov
    • 1
    • 2
  • A. L. Koromyslov
    • 1
  • K. V. Lopukhin
    • 1
    • 2
  • K. A. Polevov
    • 1
    Email author
  • I. M. Tupitsyn
    • 1
  1. 1.Lebedev Physical InstituteRussian Academy of SciencesMoscowRussia
  2. 2.Kotelnikov Institute of Radio Engineering and ElectronicsRussian Academy of SciencesFryazinoRussia
  3. 3.Federal State Enterprise “State Laser Polygon Raduga”RaduzhnyRussia

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