Virtually Lossless Geometric Phase Flat Lens Fabricated with Nanopore Modification in Silica Glass (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

Virtually Lossless Geometric Phase Flat Lens Fabricated with Nanopore Modification in Silica Glass

Caption

(Left) Birefringence image of a flat lens and intensity patterns of 488 nm laser beams with different handeness circular polarizations focused and defocused by the same lens. The focal lengths are ± 208 mm. (Right) The same lens corrects short -5 D and long +5 D sightedness.

Credit

by Masaaki Sakakura, Yuhao Lei, Lei Wang, Yan-Hao Yu, and Peter G. Kazansky

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