SYSTEM OF TUNABLE METASURFACE
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United States of America
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Issued Date -
Mar 20, 2025
app pub date -
Dec 4, 2024
filing date -
Dec 4, 2024
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Abstract
A system of a tunable metasurface is provided, and the system of a tunable metasurface includes: a wavefront modulator, an optical focusing device, a metasurface; the metasurface includes a plurality of nanostructures made of a phase change material, and a phase change state of the phase change material comprises a crystalline state and an amorphous state; the wavefront modulator is set on a side of the optical focusing device that is far away from the metasurface; and the wavefront modulator is used to modulate a wavefront aberration of incident control lights and emit the control lights after wavefront modulated towards the optical focusing device; the optical focusing device is used to focus wavefront-modulated control lights to form a plurality of focal points; the metasurface is set on a focal plane formed by the plurality of focal points.
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