ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025
Polarization-Improved Bidirectional-Pump Atomic Magnetometer Based on Spin-Decoupled Metasurface.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Two-photon states meet polarization-gradient metasurfaces for nanometric, low-dose lateral-displacement metrology.Light, science & applications · 2026Article
- Clinical Translation of Functional Magnetic Nanoparticles for Intracellular Hyperthermia and Cancer Immunotherapy.International journal of nanomedicine · 2026Review
- Polarization-Improved Bidirectional-Pump Atomic Magnetometer Based on Spin-Decoupled Metasurface.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
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7 authors.
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Abstract
The optically pumped atomic magnetometer (OPAM) has emerged as an advanced instrument for magnetic field detection. However, the performance of conventional OPAMs is constrained by factors such as non-uniform atomic polarization and insufficient precision in system polarization control. In this study, a bidirectional-pump OPAM based on spin-decoupled metasurface is presented and experimentally demonstrated. By designing a metasurface structure with a predefined phase distribution, the system generates two circularly polarized (CP) lights with distinct chirality and one linearly polarized (LP) light. Two beams of the CP light are directed in opposite directions along both sides of the cell, which effectively mitigates the polarization gradient within the cell and enhances the stability of the system. Additionally, the use of zero-order LP light as the probe light for the system enhances energy utilization efficiency while simplifying the system architecture. The experimental results demonstrate that the OPAM based on metasurface successfully realizes precise control of atomic spin polarization. The proposed OPAM is capable of performing high-precision magnetic field measurements, and the sensitivity has been improved to 1.85 pT/Hz
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