{
  "$type": "site.standard.document",
  "description": "Light emitter comprises a number of partial light sources (3a-3d) that generate partial beams (5a-5d) that are collected by collecting optics (2) and guided to the aperture of a collimator (1). The collecting optics (2) has two half-reflecting plates (12a, 12b) which each guide two equally…",
  "path": "/patents/1108092",
  "publishedAt": "2001-12-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C3/085",
    "LEICA GEOSYSTEMS AG [CH]"
  ],
  "textContent": "Light emitter comprises a number of partial light sources (3a-3d) that generate partial beams (5a-5d) that are collected by collecting optics (2) and guided to the aperture of a collimator (1). The collecting optics (2) has two half-reflecting plates (12a, 12b) which each guide two equally polarized part beams (5a-5b; 5c-d) onto a polarization cube (13), where the beams, that are polarized at right angles to each other, are superimposed.",
  "title": "Optical rangefinder"
}