Demonstration of a compact, multi-joule, diode-pumped Tm:YLF laser

We report the demonstration of a diode-pumped Tm:YLF laser operating at 1.88 µm that produces pulse energies up to 3.88 J in 20 ns. The compact system consists of a Q -switched cavity-dumped oscillator generating 18 mJ pulses, which are then amplified in a four-pass power amplifier. Energies up to 3...

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Bibliographic Details
Published in:Optics letters 2021-10, Vol.46 (20), p.5096-5099
Main Authors: Tamer, Issa, Reagan, Brendan A., Galvin, Thomas, Galbraith, Justin, Sistrunk, Emily, Church, Andrew, Huete, Glenn, Neurath, Hansel, Spinka, Thomas
Format: Article
Language:English
Subjects:
Energy storage
Infrared lasers
Power amplifiers
Solid state lasers
YLF lasers
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Summary:We report the demonstration of a diode-pumped Tm:YLF laser operating at 1.88 µm that produces pulse energies up to 3.88 J in 20 ns. The compact system consists of a Q -switched cavity-dumped oscillator generating 18 mJ pulses, which are then amplified in a four-pass power amplifier. Energies up to 38.1 J were obtained with long-pulse amplifier operation. These results illustrate the high energy storage and extraction capabilities of diode-pumped Tm:YLF, opening the path to high peak and average power mid-infrared solid-state lasers.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.439238