Spectral beam combining of Yb-doped fiber lasers using wavelength dependent polarization rotators and polarization beam combiners
2008
We propose a robust spectral beam combining scheme using wavelength dependent polarization rotators and polarization beam combiners. We successfully demonstrated the concept for two Yb-doped fiber lasers at 1064 nm and 1092 nm up to a total input power of 90 W. The results reveal a very good combining efficiency and the potential for scaling to high power operations in this method of beam combining.
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