Shevchik-Shekera, A.V.; Dukhnin, S.E.
(Semiconductor Physics Quantum Electronics & Optoelectronics, 2015)
The possibility of using the lenses with an aspherical surface for terahertz/sub-terahertz (THz/sub-THz) imaging systems has been considered. Diffraction-limited optical system of four identical plano-convex aspheric lenses ...