Our group presented two invited talks at the recent SPIE Conference »Optical Systems Design«, Frankfurt am Main, 14-17 May 2018 <br>1. Tatiana Amotchkina, Michael Trubetskov, Vladimir Pervak, Optical and mechanical properties of layers typically used in the mid-infrared spectral range (the talk was given by Tatiana Amotchkina).
2. Vladimir Pervak, Michael Trubetskov, Tatiana Amotchkina, Oleg Pronin, Ka Fai Mak and Ferenc Krausz, Broadband Si/SiO2 dispersive mirrors for the 2-3.2 µm spectral range (the talk was given by Vladimir Pervak).