A device configured to control image light associated with virtual images produced by an imager within a field of view, FOV, the device comprising: a waveguide display including an in-coupling diffractive optical element, DOE, configured to in-couple image light into the waveguide display; a pair of micro electro mechanical system, MEMS, scanners (2905, 2910) operatively coupled to perform raster scanning of the virtual images to thereby provide the image light to the in-coupling DOE in the waveguide display over the FOV; and a polarizing beam splitter device configured to direct image light to either a first MEMS scanner in the pair or a second MEMS scanner in the pair according to a state of polarization of the image light in which the polarizing beam splitter, PBS, device includes an optical stack comprising: a first PBS layer configured to reflect image light in a first polarization state and transmit image light in a second polarization state, the first and second polarization states being orthogonal, a second PBS layer configured to reflect image light in the first polarization state and transmit image light in a second polarization state, at least one absorptive polarizer layer disposed between the first and second PBS layers (2950, 2955) and configured to attenuate image light in the first polarization state and transmit image light in the second polarization state, wherein the PBS device is configured using two right angle prisms that are joined at a planar interface along each respective hypotenuse of the prisms and the optical stack is disposed on the planar interface. a waveguide display including an in-coupling diffractive optical element, DOE, configured to in-couple image light into the waveguide display; a pair of micro electro mechanical system, MEMS, scanners (2905, 2910) operatively coupled to perform raster scanning of the virtual images to thereby provide the image light to the in-coupling DOE in the waveguide display over the FOV; and a polarizing beam splitter device configured to direct image light to either a first MEMS scanner in the pair or a second MEMS scanner in the pair according to a state of polarization of the image light in which the polarizing beam splitter, PBS, device includes an optical stack comprising: a first PBS layer configured to reflect image light in a first polarization state and transmit image light in a second polarization state, the first and second polarization states being orthogonal, a second PBS layer configured to reflect image light in the first polarization state and transmit image light in a second polarization state, at least one absorptive polarizer layer disposed between the first and second PBS layers (2950, 2955) and configured to attenuate image light in the first polarization state and transmit image light in the second polarization state, wherein the PBS device is configured using two right angle prisms that are joined at a planar interface along each respective hypotenuse of the prisms and the optical stack is disposed on the planar interface. a first PBS layer configured to reflect image light in a first polarization state and transmit image light in a second polarization state, the first and second polarization states being orthogonal, a second PBS layer configured to reflect image light in the first polarization state and transmit image light in a second polarization state, at least one absorptive polarizer layer disposed between the first and second PBS layers (2950, 2955) and configured to attenuate image light in the first polarization state and transmit image light in the second polarization state, wherein the PBS device is configured using two right angle prisms that are joined at a planar interface along each respective hypotenuse of the prisms and the optical stack is disposed on the planar interface.