ArticleScience advances2026
All-optical accelerometer enabled by metasurface.
Article in Science advances, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors.
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Abstract
High-precision low-frequency acceleration sensing is essential for applications in navigation, seismology, and structural health monitoring, yet achieving both high sensitivity and compactness within a scalable platform remains challenging. Here, we report an all-optical meta-accelerometer that integrates a polarization-encoded metasurface with a mechanical spring structure, enabling acceleration-to-displacement transduction and optical polarization readout in an ultracompact footprint. The experiment demonstrates that the sensor has a displacement noise floor of [Formula: see text] at 1 hertz. By coupling the metasurface to a 3D-printed elastic suspension, we realize inertial acceleration sensing with a noise level of [Formula: see text] at 1 hertz and an amplitude dynamic range of 85.6 decibels. This work demonstrates the feasibility of metasurface-based inertial sensing and opens possibilities for developing high-precision, large dynamic range accelerometers with high-integration potential.
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