7 May 2012 Integrated 100 W thulium fiber MOPA system
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Abstract
We have developed an integrated Tm:fiber master oscillator power amplifier (MOPA) system producing 100 W output power, with sub-nm spectral linewidth at -10 dB level, >10 dB polarization extinction ratio, and diffraction-limited beam quality. This system consists of polarization maintaining fiber, spliced together with fiberized pump combiners, isolators and mode field adaptors. Recent advances in PM fibers and components in the 2 μm wavelength regime have enabled the performance of this integrated high power system; however further development is still required to provide polarized output approaching kilowatt average power.
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Lawrence Shah, Lawrence Shah, R. Andrew Sims, R. Andrew Sims, Pankaj Kadwani, Pankaj Kadwani, Christina C. C. Willis, Christina C. C. Willis, Joshua B. Bradford, Joshua B. Bradford, Zachary Roth, Zachary Roth, Aaron Pung, Aaron Pung, Menelous Poutous, Menelous Poutous, Eric G. Johnson, Eric G. Johnson, Martin Richardson, Martin Richardson, } "Integrated 100 W thulium fiber MOPA system", Proc. SPIE 8381, Laser Technology for Defense and Security VIII, 83810Z (7 May 2012); doi: 10.1117/12.925411; https://doi.org/10.1117/12.925411
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