Abstract
We present a new method based on the bionic red spider eye’s structure to fabricate a curved surface grating lens by laser interference photocuring (LIP). These results showed that the grating structure was formed on the surface of the polarized lens with different periods ∼ 1 μm, 2 μm, and 4 μm on radius of curvature ∼ 2.8 mm, 3.8 mm, and 7.5 mm, respectively. In addition, the diffraction effect has been observed on this lens for laser at λ = 532 nm and visible light, respectively. Furthermore, the transmittance of these lenses arrived at more than 75 %. In conclusion, we explored an effective and convenient way to integrate the focus lenses and grating structure, inspired by the red spider eye.
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