{
  "annotation_id": "61f5f54e-c446-4b81-85b7-15c541e9c20f",
  "date_created": "2026-03-02T18:01:18.080000Z",
  "date_modified": "2026-03-02T18:01:18.080000Z",
  "file_hash": "6de069282b5c0ac99d8400d5335cc17eee982889fc543b3e09b4e7f5c76497b8",
  "private": false,
  "record": {
    "abstract": "In this paper we demonstrate that the light diffracted by a simple compact\ndisc can be used to generate photographic images of a certain kind. Being the\ncompact disc an axicon that generates a diffraction-free beam, we show that the\nfocusing position of an image depends of the wavelength of the diffracted\nlight, what makes possible its use as a spectral filter.",
    "arxiv_id": "physics/0701234",
    "authors": [
      "J. J. Lunazzi",
      "D. S. F. Magalhaes"
    ],
    "categories": [
      "physics.ed-ph",
      "physics.optics"
    ],
    "title": "Photographing by means of a diffractive axicon",
    "url": "https://arxiv.org/abs/physics/0701234"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "683eadb8-dca5-49cc-befe-5c2280ef398b",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}