An optical system comprising: a waveguide (182,184,186,188,190,905) comprising a first major surface and a second major surface, the waveguide configured to propagate light by total internal reflection between the first and the second major surfaces; an incoupling optical element configured to incouple incident light into the waveguide at a first plurality of wavelengths along a first direction and incouple incident light into the waveguide at one or more second wavelengths along a second direction, as viewed in a top- down view of the waveguide, wherein incoupled light of the first plurality of wavelengths propagate through the waveguide along the first direction by total internal reflection and incoupled light of the one or more second wavelengths propagate through the waveguide along the second direction by total internal reflection; and a first outcoupling optical element (909a,282,284,286,288,290) configured to outcouple the incoupled light of the first plurality of wavelengths out of the waveguide; a second outcoupling optical element (909b,282,284,286,288,290) configured to outcouple the incoupled light of the one or more second wavelengths out of the waveguide; a first wavelength selective filter (913a, 913b, 1013a, 1013b, 915b) in a path of light propagating in the first direction between the incoupling optical element and the first outcoupling optical element, wherein the first wavelength selective filter comprises an absorptive filter (913a, 913b, 1013a, 1013b, 915b) and is configured to reflect incoupled light of the first plurality of wavelengths propagating along the first direction while passing light of wavelengths other than the first plurality of wavelengths; and a second wavelength selective filter (913a, 913b, 1013a, 1013b, 915b) in a path of light propagating in the second direction between the incoupling optical element and the second outcoupling optical element, wherein the second wavelength selective filter comprises an absorptive filter (913a, 913b, 1013a, 1013b, 915b) and is configured to reflect incoupled light of the one or more second wavelengths propagating along the second direction while passing light of wavelengths other than the one or more second wavelengths. a waveguide (182,184,186,188,190,905) comprising a first major surface and a second major surface, the waveguide configured to propagate light by total internal reflection between the first and the second major surfaces; an incoupling optical element configured to incouple incident light into the waveguide at a first plurality of wavelengths along a first direction and incouple incident light into the waveguide at one or more second wavelengths along a second direction, as viewed in a top- down view of the waveguide, wherein incoupled light of the first plurality of wavelengths propagate through the waveguide along the first direction by total internal reflection and incoupled light of the one or more second wavelengths propagate through the waveguide along the second direction by total internal reflection; and a first outcoupling optical element (909a,282,284,286,288,290) configured to outcouple the incoupled light of the first plurality of wavelengths out of the waveguide; a second outcoupling optical element (909b,282,284,286,288,290) configured to outcouple the incoupled light of the one or more second wavelengths out of the waveguide; a first wavelength selective filter (913a, 913b, 1013a, 1013b, 915b) in a path of light propagating in the first direction between the incoupling optical element and the first outcoupling optical element, wherein the first wavelength selective filter comprises an absorptive filter (913a, 913b, 1013a, 1013b, 915b) and is configured to reflect incoupled light of the first plurality of wavelengths propagating along the first direction while passing light of wavelengths other than the first plurality of wavelengths; and a second wavelength selective filter (913a, 913b, 1013a, 1013b, 915b) in a path of light propagating in the second direction between the incoupling optical element and the second outcoupling optical element, wherein the second wavelength selective filter comprises an absorptive filter (913a, 913b, 1013a, 1013b, 915b) and is configured to reflect incoupled light of the one or more second wavelengths propagating along the second direction while passing light of wavelengths other than the one or more second wavelengths.