polish the surface of the fabricated samples. Next, the same laser will be used for the generation of harmonics on the thin films produced. Since this process is very sensitive to the quality of the films [...] are interested in efficient material ablation without damaging the underlying crystalline structure of the thin films. Our goal is to use the acquired laser to create crystalline films down to a thickness [...] films (crystallinity), the laser will play an essential role in evaluating our progress. In a future step, we plan to compress the pulses of the acquired laser to 30 fs by using nonlinear techniques in which
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