We present a investigation of non-linearity and damage of dispersive mirror at the high intensity and wavelength around 1030 nm. The optics is produced by MF magnetron- sputtering methods. We compare different layer materials like Ta2O5, HfO2, SiO2. All compared mirrors provide -200 fs2 in range 930-1120 nm. The dispersive mirror with Ta2O5/SiO2 has laser induced damage of 0.12J/cm2. As result of our research, we were able to produce mirror with HfO2/SiO2 with improved value of 0.21 J/cm2 for 190fs, 1kHz, in vacuum.
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V. Pervak (2024) studied this question.
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