Department of Technical Cybernetics Samara National Research University Moskovskoye Shosse 34 Samara 443086 RussiaInstitute of RAS-Branch of the FSRC“Crystallography and Photonics”RAS Molodogvardeiskaya 151 Samara 443001 Russia;
Department of Technical Cybernetics Samara National Research University Moskovskoye Shosse 34 Samara 443086 RussiaInstitute of RAS-Branch of the FSRC“Crystallography and Photonics”RAS Molodogvardeiskaya 151 Samara 443001 Russia;
Department of Technical Cybernetics Samara National Research University Moskovskoye Shosse 34 Samara 443086 RussiaInstitute of Microelectronics and Optoelectronics Warsaw University of Technology Koszykowa 75 Warszawa 00-662 Poland;
Hybrid plasmonic waveguide; finite element method; methane gas; evanescent field absorption gas sensor; polarization-insensitive;