A device (300, 300') for use in luminescent imaging, the device (300, 300') comprising: a photonic superlattice (310, 310') comprising a first material, the first material having a first refractive index, the first material comprising first and second major surfaces (311, 312, 311', 312') and first and second pluralities of features (313, 314, 313', 314') defined through one of the first and second major surfaces (311, 312, 311', 312'), the features of the first plurality (313, 313') differing in at least one characteristic from the features of the second plurality (314, 314'); and the photonic superlattice (310, 310') supporting propagation of a first wavelength (λ 1) and a second wavelength (λ 2) at a first angle out of the photonic superlattice (310, 310'), the first and second wavelengths (λ 1, λ 2) being separated from one another by a first non-propagating wavelength that does not selectively propagate at the first angle out of the photonic superlattice; a second material having a second refractive index that is different than the first refractive index, the second material being disposed within, between, or over the first and second pluralities of features (313, 314, 313', 314') and comprising first and second luminophores (321, 322, 321', 322'); and a first optical component (330, 350') disposed over one of the first and second major surfaces (311, 312, 311', 312') of the first material, the first optical component (330, 350') receiving luminescence emitted by the first luminophore (321, 321') at the first wavelength (λ 1) at the first angle, and the first optical component (330, 350') receiving luminescence emitted by the second luminophore (322, 322') at the second wavelength (λ 2) at the first angle. a photonic superlattice (310, 310') comprising a first material, the first material having a first refractive index, the first material comprising first and second major surfaces (311, 312, 311', 312') and first and second pluralities of features (313, 314, 313', 314') defined through one of the first and second major surfaces (311, 312, 311', 312'), the features of the first plurality (313, 313') differing in at least one characteristic from the features of the second plurality (314, 314'); and the photonic superlattice (310, 310') supporting propagation of a first wavelength (λ 1) and a second wavelength (λ 2) at a first angle out of the photonic superlattice (310, 310'), the first and second wavelengths (λ 1, λ 2) being separated from one another by a first non-propagating wavelength that does not selectively propagate at the first angle out of the photonic superlattice; the first material having a first refractive index, the first material comprising first and second major surfaces (311, 312, 311', 312') and first and second pluralities of features (313, 314, 313', 314') defined through one of the first and second major surfaces (311, 312, 311', 312'), the features of the first plurality (313, 313') differing in at least one characteristic from the features of the second plurality (314, 314'); and the photonic superlattice (310, 310') supporting propagation of a first wavelength (λ 1) and a second wavelength (λ 2) at a first angle out of the photonic superlattice (310, 310'), the first and second wavelengths (λ 1, λ 2) being separated from one another by a first non-propagating wavelength that does not selectively propagate at the first angle out of the photonic superlattice; a second material having a second refractive index that is different than the first refractive index, the second material being disposed within, between, or over the first and second pluralities of features (313, 314, 313', 314') and comprising first and second luminophores (321, 322, 321', 322'); and a first optical component (330, 350') disposed over one of the first and second major surfaces (311, 312, 311', 312') of the first material, the first optical component (330, 350') receiving luminescence emitted by the first luminophore (321, 321') at the first wavelength (λ 1) at the first angle, and the first optical component (330, 350') receiving luminescence emitted by the second luminophore (322, 322') at the second wavelength (λ 2) at the first angle. the first optical component (330, 350') receiving luminescence emitted by the first luminophore (321, 321') at the first wavelength (λ 1) at the first angle, and the first optical component (330, 350') receiving luminescence emitted by the second luminophore (322, 322') at the second wavelength (λ 2) at the first angle.