Tunable resonantly pumped Er:GGAG laser

The main goal of this work was to present spectroscopic and laser characteristics including the wavelength tunability of Er-doped Gd 3 Ga 3 Al 2 O 12 (Er:GGAG) crystal. Seven Er:GGAG crystals of various Er/Gd concentrations were investigated. The maximum output peak power of 0.99 W with an absorbed...

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Bibliographic Details
Published in:Laser physics 2022-01, Vol.32 (1), p.15802
Main Authors: Němec, M, Boháček, P, Švejkar, R, Šulc, J, Kratochvíl, J, Jelínková, H, Trunda, B, Havlák, L, Nikl, M, Jurek, K
Format: Article
Language:English
Subjects:
Er:GGAG
resonant pumping
tunable laser
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Summary:The main goal of this work was to present spectroscopic and laser characteristics including the wavelength tunability of Er-doped Gd 3 Ga 3 Al 2 O 12 (Er:GGAG) crystal. Seven Er:GGAG crystals of various Er/Gd concentrations were investigated. The maximum output peak power of 0.99 W with an absorbed pumping peak power amplitude of 5.22 W for the crystal at 0.55 at.% Er/Gd concentration was researched. The tuning was accomplished using a SiO 2 birefringent plate. The laser wavelength was tunable in three eye-safe spectral bands from 1609 to 1650 nm.
ISSN:1054-660X
1555-6611
DOI:10.1088/1555-6611/ac3836