Fig. 4
From: Design of waveguide with double layer diffractive optical elements for augmented reality displays

Pupil duplication through a succession of TIRs at an angle \({\theta}_{\text{wg}}\).
From: Design of waveguide with double layer diffractive optical elements for augmented reality displays

Pupil duplication through a succession of TIRs at an angle \({\theta}_{\text{wg}}\).