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Habel, Florian; Pervak, Vladimir (2017): Dispersive mirror for the mid-infrared spectral range of 9-11.5 mu m. In: Applied Optics, Vol. 56, No. 4: C71-C74
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A dispersive multilayer interference mirror with a group delay dispersion (GDD) of + 1500 fs(2) for the spectral range of 9-11.5 mu m is presented. It is designed to compensate the GDD of an ultrashort light pulse gained when transmitting 1 mm of a zinc selenide substrate. The coating process for the mirror manufacturing is described. The optical properties of the mirror are fully characterized by measuring the group delay, the GDD, the reflectance, and the transmittance. (C) 2016 Optical Society of America