2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/86074We introduce the concept of subwavelength imaging with an opaque nonlinear left-handed lens by generating the second-harmonic field. We consider a slab of composite left-handed metamaterial with quadratic nonlinear response and show that such a flat lens can form, under certain conditions, an image of the second-harmonic field of the source being opaque at the fundamental frequency.3 pages, 3 figuresOpticsMaterials Sciencetext