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  "path": "/news/2026-05-fiber-optic-sensor-strain-electrical.html",
  "publishedAt": "2026-05-08T12:20:08.000Z",
  "site": "https://techxplore.com",
  "tags": [
    "Engineering"
  ],
  "textContent": "Scientists have demonstrated a new fiber-optic sensing method that detects strain and displacement by reading interference patterns directly in the electrical spectrum of a photodetected signal. The approach uses a polymer optical fiber-based single-mode–multimode–single-mode (SMS) structure, in which multimode propagation creates relative modal delays that appear as measurable dips in the electrical-frequency domain. Their research was published in the IEEE Sensors Journal on April 27, 2026.",
  "title": "Fiber-optic sensor reads strain through electrical signals, skipping optical analyzers"
}