{
  "annotation_id": "1c64dc5b-1d77-4b9e-807d-993159a468ff",
  "date_created": "2026-03-02T18:01:14.418000Z",
  "date_modified": "2026-03-02T18:01:14.418000Z",
  "file_hash": "68194b75abc712c142d914a95772d203c0d4f8299bc246026743e823d848764b",
  "private": false,
  "record": {
    "abstract": "We present an application of a quadrature phase interferometer to the\nmeasurement of the angular position of a parallel laser beam with\ninterferometric precision. In our experimental realization we reach a\nresolution of 6.8e-10 rad (1.4e-4 arcsec) for 1 kHz bandwidth in a 2e-2 rad (1\ndeg) range. This alternative to the optical lever technique features absolute\ncalibration, independence of the sensitivity on the thermal drifts, and wide\nrange of measurement at full accuracy.",
    "arxiv_id": "physics/0612100",
    "authors": [
      "Pierdomenico Paolino",
      "Ludovic Bellon"
    ],
    "categories": [
      "physics.ins-det",
      "physics.optics"
    ],
    "doi": "10.1016/j.optcom.2007.07.060",
    "journal_ref": "Optics Communications 280, 280 (2007) 1-9",
    "title": "Single beam interferometric angle measurement",
    "url": "https://arxiv.org/abs/physics/0612100"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "2b35030d-d855-4073-a609-b6a0de6f59a4",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}