Investigations of YAG:Er3+,Yb3+ and YAG:Co2+ crystals for laser application

Zygmunt Mierczyk; Krzysztof Kopczynski; Miroslaw Kwasny; Tadeusz Lukasiewicz; Zygmunt Frukacz; Zbigniew Galazka

doi:10.1117/12.435869

10 August 2001 Investigations of YAG:Er³⁺,Yb³⁺and YAG:Co²⁺crystals for laser application

Zygmunt Mierczyk, Krzysztof Kopczynski, Miroslaw Kwasny, Tadeusz Lukasiewicz, Zygmunt Frukacz, Zbigniew Galazka

Proceedings Volume 4412, International Conference on Solid State Crystals 2000: Growth, Characterization, and Applications of Single Crystals; (2001) https://doi.org/10.1117/12.435869
Event: International Conference on Solid State Crystals 2000, 2000, Zakopane, Poland

Abstract

The results of examinations of spectroscopic properties and generation parameters of new active media, i.e., Er³⁺ and Yb³⁺ doped YAG crystals are given. Erbium and ytterbium doped YAG single crystals were obtained by the Czochralski method. The spectral properties and laser characteristics were investigated. Absorption spectra of Er³⁺ and Yb³⁺-doped active media were measured in the spectral range 190 divided by 5000 nm at room temperature. Excitation and luminescence spectra were also recorded at room temperature with a JOBIN-YVON spectrofluorimeter using a diode laser as an excitation source. The measurements of the lifetime of the Er³⁺ ions in the upper laser level of the samples were made by the direct method with pulse excitation. We present also the result of investigations on spectroscopic properties and non-linear absorption effect in YAG:Co²⁺ crystal-new absorber used for the systems generating giant-pulse radiation at 1.5 micrometers .

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Zygmunt Mierczyk, Krzysztof Kopczynski, Miroslaw Kwasny, Tadeusz Lukasiewicz, Zygmunt Frukacz, and Zbigniew Galazka "Investigations of YAG:Er³⁺,Yb³⁺and YAG:Co²⁺crystals for laser application", Proc. SPIE 4412, International Conference on Solid State Crystals 2000: Growth, Characterization, and Applications of Single Crystals, (10 August 2001); https://doi.org/10.1117/12.435869

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