Abstract: The description relate to devices, such as augmented reality and/or virtual reality devices that employ optical waveguides. On example includes a first optical waveguide configured to receive light at an incidence angle and a second optical waveguide positioned in a non-parallel relation to the first optical waveguide. The second optical waveguide can be configured to receive the light through the first optical waveguide at a first location at the incidence angle, transmit the light within the second optical waveguide, and output the light from a second location back toward the first optical waveguide at the incidence angle.

Abstract: The description relate to devices, such as augmented reality and/or virtual reality devices that employ optical waveguides. On example includes a first optical waveguide configured to receive light at an incidence angle and a second optical waveguide positioned in a non-parallel relation to the first optical waveguide. The second optical waveguide can be configured to receive the light through the first optical waveguide at a first location at the incidence angle, transmit the light within the second optical waveguide, and output the light from a second location back toward the first optical waveguide at the incidence angle.

Abstract: Examples are disclosed that relate to the use of diffractive filtering in a waveguide display system. One example provides a display system including a light source, a first waveguide configured to conduct light of a first wavelength band from the light source, the first waveguide comprising a first input coupler, a second waveguide configured to conduct light of a second wavelength band from the light source, the second waveguide comprising a second input coupler, and a diffractive filter positioned optically between the first waveguide and the second waveguide, the diffractive filter being configured to diffract light of the first wavelength band and transmit light of the second wavelength band.

Abstract: A near eye display system includes a waveguide display that presents to the eyes of a viewer mixed-reality or virtual-reality images. The waveguide display includes two or more waveguide plates that are stacked over one another with an air gap between them. The waveguide plates are tilted so that they are not parallel to one another. In this way the spacing or air gap between the waveguide plates varies across the area of the plates.

Abstract: Examples are disclosed that relate to the use of diffractive filtering in a waveguide display system. One example provides a display system including a light source, a first waveguide configured to conduct light of a first wavelength band from the light source, the first waveguide comprising a first input coupler, a second waveguide configured to conduct light of a second wavelength band from the light source, the second waveguide comprising a second input coupler, and a diffractive filter positioned optically between the first waveguide and the second waveguide, the diffractive filter being configured to diffract light of the first wavelength band and transmit light of the second wavelength band.