Figure 2: Material characterisation and metalens design. (IMAGE)

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

Figure 2: Material characterisation and metalens design.

Caption

Figure 2: Material characterisation and metalens design. (a) DLS particle size distribution of TiO2 nanoparticles; (b) refractive index and extinction coefficient; (c) optical transmittance; (d) meta‑atom unit geometry; (e) top view of the metalens; (f,g) phase and efficiency spectra of meta‑atoms with different dimensions and rotation angles.

Credit

Nan Zhang et al.

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Credit must be given to the creator.

License

CC BY

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