Czochralski growth of SrLaGa3O7:Pr3+ doped single crystals and their optical and lasing properties

Izabella Pracka; Michal Malinowski; Krzysztof Kopczynski; Slawomir Maksymilian Kaczmarek; Zygmunt Mierczyk; Marek Swirkowicz; Jaroslaw Kisielewski; Tadeusz Lukasiewicz

doi:10.1117/12.280758

14 July 1997 Czochralski growth of SrLaGa3O7:Pr3+ doped single crystals and their optical and lasing properties

Izabella Pracka, Michal Malinowski, Krzysztof Kopczynski, Slawomir Maksymilian Kaczmarek, Zygmunt Mierczyk, Marek Swirkowicz, Jaroslaw Kisielewski, Tadeusz Lukasiewicz

Author Affiliations +

Proceedings Volume 3178, Solid State Crystals: Growth and Characterization; (1997) https://doi.org/10.1117/12.280758
Event: XII Conference on Solid State Crystals: Materials Science and Applications, 1996, Zakopane, Poland

Abstract

Single crystals of SrLaGa₃O₇ doped with 0.5 and 1 at.% praseodymium were grown by the Czochralski technique. A heating system with good thermal insulation and afterheater were applied in order to achieve appropriate radial and axial temperature gradients in the crystallization chamber. Low temperature gradients and flat crystal-melt interface could provide good optical quality crystals free of internal stresses. All single crystals were grown in [001] direction. The pulling rate was 1.5 - 3 mm/h and the rotation rate 50 rpm. The composition and dopant's distribution in crystals were checked by x-ray microprobe. The obtained crystals up to 25 mm in diameter and up to 80 mm in length were of good quality and the dopant's distribution was uniform. The doped crystals were investigated for their spectral an lasing properties. Absorption spectra in range of 180 - 8000 nm were measured, then laser rods were cut out and their generation properties were evaluated.

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Izabella Pracka, Michal Malinowski, Krzysztof Kopczynski, Slawomir Maksymilian Kaczmarek, Zygmunt Mierczyk, Marek Swirkowicz, Jaroslaw Kisielewski, and Tadeusz Lukasiewicz "Czochralski growth of SrLaGa3O7:Pr3+ doped single crystals and their optical and lasing properties", Proc. SPIE 3178, Solid State Crystals: Growth and Characterization, (14 July 1997); https://doi.org/10.1117/12.280758

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