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  "path": "/news/2026-03-ultra-sensitive-method-hydrogen-complex.html",
  "publishedAt": "2026-03-26T16:00:06.000Z",
  "site": "https://techxplore.com",
  "tags": [
    "Engineering"
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  "textContent": "As a promising clean energy source, hydrogen (H2) requires reliable safety monitoring. However, lacking a permanent dipole moment, it is \"infrared-inactive\" and cannot be effectively measured by conventional absorption-based techniques. Although Raman spectroscopy can provide molecular fingerprinting, its extremely weak signal limits sensitivity. Together, these factors hinder real-time hydrogen monitoring in complex industrial environments.",
  "title": "An ultra-sensitive method for hydrogen detection in complex environments"
}