{
  "annotation_id": "173fa524-c79f-473b-94df-935921b08da5",
  "date_created": "2026-03-02T18:01:00.413000Z",
  "date_modified": "2026-03-02T18:01:00.413000Z",
  "file_hash": "c1dea0ab5c4c939f75be66f72e0855a8af345dc1955c99ccdac9c9a45e727a9a",
  "private": false,
  "record": {
    "abstract": "Specially designed metal-dielectric composites can have a negative refractive\nindex in the optical range. Specifically, it is shown that arrays of single and\npaired nanorods can provide such negative refraction. For pairs of metal rods,\na negative refractive index has been observed at 1.5 micrometer. The inverted\nstructure of paired voids in metal films may also exhibit a negative refractive\nindex. A similar effect can be accomplished with metal strips in which the\nrefractive index can reach -2. The refractive index retrieval procedure and the\ncritical role of light phases in determining the refractive index is discussed.",
    "arxiv_id": "physics/0510001",
    "authors": [
      "A. V. Kildishev",
      "W. Cai",
      "U. K. Chettiar",
      "H. -K. Yuan",
      "A. K. Sarychev",
      "V. P. Drachev",
      "V. M. Shalaev"
    ],
    "categories": [
      "physics.optics"
    ],
    "doi": "10.1364/JOSAB.23.000423",
    "title": "Negative Refractive Index in Optics of Metal-Dielectric Composites",
    "url": "https://arxiv.org/abs/physics/0510001"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "4b007721-f401-4049-a1db-5ffff16680c1",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}