Dual-Mode, beam-forming LiDAR synergizes tunable hybrid cascaded metasurfaces with a shape memory alloy micro-actuator
"hybrid design allows projecting either scanning beam arrays or uniform flash illumination by modulating incident light's polarization... left-circularly polarized high-precision 3D scanning/ right-circularly polarized single-shot, full-field snapshot 3D detection... superior balance between resolution, field of view, adaptability... ultrathin metasurfaces leads to compact beam forming device... compatible with time-of-flight, binocular vision detection mechanisms... optical sensing, versatile: autonomous navigation, 3D sensing"
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