ArticleNanophotonics (Berlin, Germany)2024
Integrated optical probing scheme enabled by localized-interference metasurface for chip-scale atomic magnetometer.
Article in Nanophotonics (Berlin, Germany), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Chip-scale packaged in-line polarization-resolved detector for optically pumped magnetometers.Microsystems & nanoengineering · 2026Article
- Polarization-Improved Bidirectional-Pump Atomic Magnetometer Based on Spin-Decoupled Metasurface.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
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6 authors.
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Abstract
Emerging miniaturized atomic sensors such as optically pumped magnetometers (OPMs) have attracted widespread interest due to their application in high-spatial-resolution biomagnetism imaging. While optical probing systems in conventional OPMs require bulk optical devices including linear polarizers and lenses for polarization conversion and wavefront shaping, which are challenging for chip-scale integration. In this study, an integrated optical probing scheme based on localized-interference metasurface for chip-scale OPM is developed. Our monolithic metasurface allows tailorable linear polarization conversion and wavefront manipulation. Two silicon-based metasurfaces namely meta-polarizer and meta-polarizer-lens are fabricated and characterized, with maximum transmission efficiency and extinction ratio (ER) of 86.29 % and 14.2 dB for the meta-polarizer as well as focusing efficiency and ER of 72.79 % and 6.4 dB for the meta-polarizer-lens, respectively. A miniaturized vapor cell with 4 × 4 × 4 mm
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