Q-switched thulium-doped photonic crystal fiber laser

Q-switched thulium-doped photonic crystal fiber laser

We report a novel, Tm-doped photonic crystal fiber (PCF) actively Q-switched oscillator that provides ~8.9 kW peak power with 435 µJ, 49 ns pulses at 10 kHz repetition rate at 2 μm wavelength. This fiber has a mode-field area >1000 μm2, the largest of any flexible PCF providing diffraction-limite...

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Veröffentlicht in:Optics letters 2012-05, Vol.37 (10), p.1664-1666
Hauptverfasser: Kadwani, Pankaj, Modsching, Norbert, Sims, R Andrew, Leick, Lasse, Broeng, Jes, Shah, Lawrence, Richardson, Martin
Format: Artikel
Sprache:eng
Schlagworte:
Beams (radiation)
Crystal fibers
Diffraction
Fiber lasers
Oscillators
Photonic crystals
Pumps
Wavelengths
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Beschreibung
Zusammenfassung:We report a novel, Tm-doped photonic crystal fiber (PCF) actively Q-switched oscillator that provides ~8.9 kW peak power with 435 µJ, 49 ns pulses at 10 kHz repetition rate at 2 μm wavelength. This fiber has a mode-field area >1000 μm2, the largest of any flexible PCF providing diffraction-limited beam quality to the best of our knowledge. As an application, the oscillator is used as pump to generate >350 nm broadening in ~50 m of SMF-28 fiber.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.37.001664