Fig. 2

Microscopic images and experimental results of the fabricated anomalous deflector. a Microscopic images of a part of the fabricated metasurface. Scale bar: 100 μm. And the enlarged view of the eight CRs. b and c Measured normalized far-field intensity distribution of the metasurfaces as a function of frequency and deflection angle at amorphous and crystalline states, respectively. d The extracted normalized intensity profile at 0.8 THz at amorphous and crystalline states, respectively. e Experimental and theoretical values of deflection angle corresponding to different frequencies. f Multi-level modulation effect of deflection intensity at different laser influences