{
  "$type": "site.standard.document",
  "description": "The central zone (3) has a beam-spreading diffractive optic (19). It is prismatic and convex-cylindrical with its axis perpendicular to the beam axis. Side reflectors are arranged at 45[deg] to the beam axis (A) and mutually at 90[deg].",
  "path": "/patents/1078904",
  "publishedAt": "2005-03-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C15/004",
    "HILTI AG [LI]"
  ],
  "textContent": "The central zone (3) has a beam-spreading diffractive optic (19). It is prismatic and convex-cylindrical with its axis perpendicular to the beam axis. Side reflectors are arranged at 45[deg] to the beam axis (A) and mutually at 90[deg].",
  "title": "Optical beamsplitter"
}