Journal Article Research Support, Non-U.S. Gov't THz metasurface UV-WLEDs Vanadium dioxide aluminum hydroxide attention guided network blue phosphors composite films conducting microfibers displays dynamic metasurface end‐to‐end fibrous mechanical sensors geometric phase halide perovskites hologram holographic multiplexing imaging inverse design metasurface metasurfaces nanocrystals near‐infrared metasurface optical data storage, metamaterials phase change material polyvinyldiene fluoride single-source precursors smart health-monitoring system snapshot spectral imaging