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Efficient, High-Power Tm-Doped Silica Fiber Lasers

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Efficient, High-Power Tm-Doped Silica Fiber Lasers

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  • Author: Glen Rines, Peter F. Moulton, Gavin Frith
n prior work, we have reported generation of 300 W of cw power from a Tm:silica fiber laser at 2050 nm, with >60% conversion of pump power to laser output power. The beam quality was close to the diffraction limit. We have also noted that we plan to scale the system to the 1-kW power level. To date, we have received and tested two 1-kW, fiber coupled, diode pump lasers, and have shown the ability to couple power efficiently from the diode lasers into the largercladding fibers we plan to use for the 1-kW fiber laser. In the work to be presented here, we will report on our results with this new effort in Tm:fiber-laser power scaling.

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