Figure 2 | Focal-length-tunable SWCNT-based metasurface lens. (IMAGE)

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

Figure 2 | Focal-length-tunable SWCNT-based metasurface lens.

Caption

Figure 2 | Focal-length-tunable SWCNT-based metasurface lens. a, Photograph of the fabricated SWCNT-based metasurface lens. b, Custom-built stretching holder. c, Intensity distributions of the transmitted 0.35 THz RCP wave in the propagation (xz) plane and each focal plane under stretch factors A = 1.0, 1.1, and 1.2.

Credit

Yan Zhang et al.

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License

CC BY

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