Figure 1 | Fabricating a continuous-phase liquid crystal Fresnel zone plate by femtosecond-laser 3D printing. (IMAGE)

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

Figure 1 | Fabricating a continuous-phase liquid crystal Fresnel zone plate by femtosecond-laser 3D printing.

Caption

Figure 1: Schematic of two-photon polymerization direct laser writing inside a liquid crystal director. Localized polymerization forms a rigid network that locks the liquid crystal director and defines a smooth phase profile.

Credit

Zhiyu Xu et al.

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License

CC BY

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