Imaging apparatus and image sensor including the same

An image sensor comprising:

• a substrate;
• thin lenses disposed on a first surface of the substrate and configured to concentrate lights incident on the first surface, the thins lenses comprising a first thin lens and a second thin lens;
• light-sensing cells disposed on a second surface of the substrate, the second surface facing the first surface, and the light-sensing cells being configured to sense lights passing through the thin lenses, and generate electrical signals based on the sensed lights,
• wherein the first thin lens and the second thin lens of the thin lenses are configured to concentrate a first light and a second light, respectively, of the incident lights onto the light-sensing cells, the first light having a different wavelength than the second light, and
• wherein each of the thin lenses comprises scatterers, the scatterers including material having a refractive index higher than a refractive index of the substrate.