A 50-micrometer-thick metasurface placed in the near field of a THz antenna collimates emission to under 10 degrees with 50-fold on-axis intensity boost and 10% higher efficiency than a millimeter-scale silicon lens.
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2026 1verdicts
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Near-field Meta-optics
A 50-micrometer-thick metasurface placed in the near field of a THz antenna collimates emission to under 10 degrees with 50-fold on-axis intensity boost and 10% higher efficiency than a millimeter-scale silicon lens.