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We report on a 3 kW quasi-cw Yb fiber laser with a 10 ms pulse width and a 10 Hz repetition rate by combining two Yb fiber lasers with a 1.5 kW peak power.
We report efficient sum-frequency generation of a Yb fiber laser at 1064 nm and an Er, Yb fiber laser at 1550 nm by employing a bow-tie resonant cavity system.
A simple techniaue to control the transverse beam nrofile employing an acousto-optic modulator in the secondary cavity of a solid state laser system is reported.
A simple method to allow direct excitation of the first-order Laguerre-Gaussian mode has been applied to a hybrid Er:YAG laser. The laser yielded 13.1W of radially-polarized LG01 output at 1645nm for 34W of pump power.
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