Figure 5.

Angle-resolved measurements of the 1D and 2D diffraction patterns from the contact lens. (a) Spectroscopic measurement of the rainbow diffraction of the 1D nanostructure over the contact lens in transmission mode using a broadband light. Scale bar = 5 mm. (b) Broadband white light angular measurements for 1D and 2D gratings along the x-axis. Scale bar = 5 mm. (c) Holographic contact lens on an eye model. (d) 2D rainbow diffraction of the holographic contact lens on a spherical screen. Scale bar = 1 cm.