Synthesis of the Thickness Profile of the Waveguide Layer of the Thin Film Generalized Waveguide Luneburg LensE.A. Ayryan, G.D. Dashitsyrenov, K.P. Lovetskiy and A.L. SevastianovEPJ Web of Conferences, 108 (2016) 02011DOI: https://doi.org/10.1051/epjconf/201610802011