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The dispersive mirrors with a third order dispersion (TOD) of about −10000 fs3 at the wavelength of 1040 nm and a compensation bandwidth of 20 nm are designed and fabricated with ion beam sputtering (IBS) technique. A good agreement between the measured and calculated group delay dispersion (GDD) and TOD of the mirror is achieved. These mirrors are employed in a Yb-doped femtosecond nonlinear amplification...
A Gires–Tournois interferometer (GTI) with large dispersion compensation was designed and fabricated according to the requirement of the Yb-doped photonic crystal fiber laser system. The designed GTI can provide an average group delay dispersion (GDD) of −1500 fs2 and a high reflectance (>99.7%) from 1030 to 1050 nm. The Ion-assisted Deposition (IAD) technique was utilized to manufacture the mirror...
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