Abstract
With superior capabilities for light manipulation and wavefront shaping, the metasurface facilities the realization of the next generation diffractive optical elements, and thus it has caught growing attention. A key problem, especially in imaging and display fields, is the correction of the aberrations introducing by the incidence with large field of view. Here, we design a focusing metalens working a wavelength of 0.705μm by patterning single layer metasurface on one side of a substrate. By adding a correcting phase, the metalens can achieve diffraction-limited focusing along the focal plane with the field of view of 90° and possess an excellent capability of imaging performance. The possibilities of our designed metalens offers unprecedented opportunities for microscopes, lithography machines, sensors, and displays.
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