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  "path": "/spotlight/spotid=68876.php",
  "publishedAt": "2026-03-12T16:19:20.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "A single flat metalens now handles both excitation and fluorescence collection for diamond quantum sensors, enabling nanoscale sensing in spaces too tight for conventional optics.",
  "title": "Metalens replaces bulky microscope optics for diamond quantum sensing"
}