Wavelength tunability of laser based on Yb-doped GGAG crystal

Wavelength tunability of laser based on Yb-doped GGAG crystal

The wavelength tunability of a diode-pumped laser, based on Yb3+ -doped mixed garnet Gd3Ga5−xAlxO12 (Yb:GGAG, , 4.25% Yb/Gd, 2.7 mm thick) crystal was investigated. Absorption and emission spectra together with fluorescence decay time were measured. The longitudinally diode-pumped Yb:GGAG laser was...

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Veröffentlicht in:Laser physics 2018-10, Vol.28 (10), p.105802
Hauptverfasser: Stehlík, Marek, Šulc, Jan, Bohá ek, Pavel, Jelínková, Helena, Nejezchleb, Karel, Trunda, Bohumil, Havlák, Lubomír, Nikl, Martin, Jurek, Karel
Format: Artikel
Sprache:eng
Schlagworte:
mixed garnets
solid-state laser
tunable laser
Yb:GGAG crystal
ytterbium laser materials
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Zusammenfassung:The wavelength tunability of a diode-pumped laser, based on Yb3+ -doped mixed garnet Gd3Ga5−xAlxO12 (Yb:GGAG, , 4.25% Yb/Gd, 2.7 mm thick) crystal was investigated. Absorption and emission spectra together with fluorescence decay time were measured. The longitudinally diode-pumped Yb:GGAG laser was continuously tuned over   47 nm (from 1019 nm up to 1066 nm). The maximum output power amplitude of 1.6 W was obtained at wavelength 1042 nm with an absorbed pump power amplitude 6.9 W. The corresponding tunable laser slope efficiency was 30%.
ISSN:1054-660X
1555-6611
DOI:10.1088/1555-6611/aac8bf