Spectroscopic and laser properties of LaSc3(BO3)4:Cr,Yb,Er crystals

O. V. Kuzmin; S. A. Kutovoi; V. L. Panyutin; S. T. Durmanov; Yu. P. Rudnitskiy; Grigoriy Smirnov

doi:10.1117/12.334776

29 December 1998 Spectroscopic and laser properties of LaSc₃(BO3)₄:Cr,Yb,Er crystals

O. V. Kuzmin, S. A. Kutovoi, V. L. Panyutin, S. T. Durmanov, Yu. P. Rudnitskiy, Grigoriy Smirnov

Proceedings Volume 3682, Laser Optics '98: Solid State Lasers; (1998) https://doi.org/10.1117/12.334776
Event: Laser Optics '98, 1998, St. Petersburg, Russian Federation

Abstract

Spectro-luminescent characteristics were determined for LaSc₃(BO₃)₄-crystals, activated by ions of the ytterbium and the erbium. Quantum efficiency of nonradiative transfer from the ions Yb³⁺ to the Er³⁺ is closed to 80% for concentration of ions [Yb] equals 10²¹ cm^-3, [Er] equals 5 (DOT) 10¹⁹ cm^-3. Quantum efficiency of energy transmission from the Cr³⁺ to the Er³⁺ is about 90%. Having achieved population inversion in the Er-ions the efficiency of energy transmission decay to 70%. We have fulfilled comparison of generation properties for lasers with active elements made of LSB-crystal, that contents [Cr³⁺] equals 0.5 at.%, [Yb³⁺] equals 10 at.%, [Er³⁺] equals 0.5 at.%, and phosphate glass that contents [Cr³⁺] equals 0.3 wt.%, [Yb³⁺] equals 20 wt.%, [Er³⁺] equals 0.2 wt.%.

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O. V. Kuzmin, S. A. Kutovoi, V. L. Panyutin, S. T. Durmanov, Yu. P. Rudnitskiy, and Grigoriy Smirnov "Spectroscopic and laser properties of LaSc₃(BO3)₄:Cr,Yb,Er crystals", Proc. SPIE 3682, Laser Optics '98: Solid State Lasers, (29 December 1998); https://doi.org/10.1117/12.334776

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