Q-switched thulium-doped photonic crystal fiber laser |
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| Authors: | Kadwani Pankaj Modsching Norbert Sims R Andrew Leick Lasse Broeng Jes Shah Lawrence Richardson Martin |
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| Affiliation: | Townes Laser Institute and CREOL, The College of Optics and Photonics, Orlando, Florida 32816, USA. pkadwani@creol.ucf.edu |
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| Abstract: | 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. |
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