Lumus Lumus is an Israeli company which designs optical engines for AR and other head mounted display (HMD) devices. These optical engines are composed of a display and reflective (also known as geometric) waveguide combiner — Lumus' key expertise is in the design of these waveguides, which can expand the exit pupil in two dimensions. Although largely fabless, it has its own smaller production line for R&D and specialized orders. Lumus