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Fig. 4 | Nanoscale Research Letters

Fig. 4

From: Ultracompact Nanophotonics: Light Emission and Manipulation with Metasurfaces

Fig. 4

Thermally reconfigurable and tunable metasurfaces with GST a Reversible metasurface with nanoantennas controlled by femtosecond laser pulses [72], b Switchable perfect absorber meta-device with nanoantennas stacked above phase change material [73], c Cylindrical bifocal metalens for amorphous and crystalline GST [74], d Structures of a nanograting metasurface for dielectric-plasmonic transitions [75], and e Electric dipole resonance and an anapole excitation in a GST sphere introduced by an intermediate phase transition [76]

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