school-seminar National Scientific School-seminar «Interaction of Microwave, Terahertz and Optical Radiation with Semiconductor Micro- and Nanostructures, Metamaterials and Biological Objects» Authors: Usanov D. A., Skripal A. V., Skripal A. V. The annual National Scientific School-seminar «Interaction of Microwave, Terahertz and Optical Radiation with Semiconductor Micro- and Nanostructures, Metamaterials and Biological Objects» is held on the basis of Saratov State University.