Er3+- and Yb3+-doped phosphate glasses for eye-safe laser systems

Zygmunt Mierczyk; Miroslaw Kwasny; Ryszard Stepien; Kazimierz P. Jedrzejewski

doi:10.1117/12.402871

4 October 2000 Er³⁺- and Yb³⁺-doped phosphate glasses for eye-safe laser systems

Zygmunt Mierczyk, Miroslaw Kwasny, Ryszard Stepien, Kazimierz P. Jedrzejewski

Proceedings Volume 4237, Laser Technology VI: Progress in Lasers; (2000) https://doi.org/10.1117/12.402871
Event: Laser Technology VI, 1999, Szczecin, Poland

Abstract

Erbium laser glasses have attracted much attention due to their capability for emission of radiation at the 'eye safe' wavelength of 1.54 microns. The development of erbium glass laser systems has renewed the requirements for additional research into improved laser glass properties and performance. This report describes the effect of variations erbium, ytterbium, chromium ions and glass base compositions on laser efficiency and the improved properties of a new glass base. The spectral properties and laser characteristics were measured for this ne glass. Absorption spectra of these Er³⁺ and Yb³⁺-doped glasses were measured in the spectral range 190 divided by 5000 nm at room temperature. The excitation and luminescence spectra were also recorded at room temperature on a JOBIN-YVON spectrofluorometer 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.

Citation Download Citation

Zygmunt Mierczyk, Miroslaw Kwasny, Ryszard Stepien, and Kazimierz P. Jedrzejewski "Er³⁺- and Yb³⁺-doped phosphate glasses for eye-safe laser systems", Proc. SPIE 4237, Laser Technology VI: Progress in Lasers, (4 October 2000); https://doi.org/10.1117/12.402871

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