Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Pencil_(optics)> ?p ?o }
Showing triples 1 to 62 of
62
with 100 triples per page.
- Pencil_(optics) abstract "In optics, a pencil or pencil of rays is a geometric construct used to describe a beam or portion of a beam of electromagnetic radiation or charged particles, typically in the form of a narrow cone or cylinder.Antennas which strongly bundle in azimuth and elevation are often described as \"pencil-beam\" antennas. For example a phased array antenna can send out a beam that is extremely thin. Such antennas are used for tracking radar. See Beamforming for further details.In optics, the focusing action of a lens is often described in terms of pencils of rays. In addition to conical and cylindrical pencils, optics deals with astigmatic pencils as well.In electron optics, scanning electron microscopes use narrow pencil beams to achieve a deep depth of field.Ionizing radiation used in radiation therapy, whether photons or charged particles, such as proton therapy and electron therapy machines, is sometimes delivered through the use of pencil beam scanning.".
- Pencil_(optics) thumbnail Pencil_1675.png?width=300.
- Pencil_(optics) wikiPageID "3443204".
- Pencil_(optics) wikiPageLength "2914".
- Pencil_(optics) wikiPageOutDegree "34".
- Pencil_(optics) wikiPageRevisionID "645589939".
- Pencil_(optics) wikiPageWikiLink Astigmatism.
- Pencil_(optics) wikiPageWikiLink Azimuth.
- Pencil_(optics) wikiPageWikiLink Beamforming.
- Pencil_(optics) wikiPageWikiLink Category:Antennas_(radio).
- Pencil_(optics) wikiPageWikiLink Category:Geometrical_optics.
- Pencil_(optics) wikiPageWikiLink Category:Radiation_therapy.
- Pencil_(optics) wikiPageWikiLink Charged_particle.
- Pencil_(optics) wikiPageWikiLink Cone.
- Pencil_(optics) wikiPageWikiLink Cylinder_(geometry).
- Pencil_(optics) wikiPageWikiLink Depth_of_field.
- Pencil_(optics) wikiPageWikiLink Electromagnetic_radiation.
- Pencil_(optics) wikiPageWikiLink Electron_optics.
- Pencil_(optics) wikiPageWikiLink Electron_therapy.
- Pencil_(optics) wikiPageWikiLink Elevation.
- Pencil_(optics) wikiPageWikiLink Fan-beam_antenna.
- Pencil_(optics) wikiPageWikiLink File:Pencil_beam_2.png.
- Pencil_(optics) wikiPageWikiLink Focus_(optics).
- Pencil_(optics) wikiPageWikiLink Ionizing_radiation.
- Pencil_(optics) wikiPageWikiLink Lens_(optics).
- Pencil_(optics) wikiPageWikiLink Light_beam.
- Pencil_(optics) wikiPageWikiLink Microwave_transmission.
- Pencil_(optics) wikiPageWikiLink Optics.
- Pencil_(optics) wikiPageWikiLink Pencil-beam_scanning.
- Pencil_(optics) wikiPageWikiLink Pencil_(mathematics).
- Pencil_(optics) wikiPageWikiLink Phased_array.
- Pencil_(optics) wikiPageWikiLink Photon.
- Pencil_(optics) wikiPageWikiLink Proton_therapy.
- Pencil_(optics) wikiPageWikiLink Radiation_therapy.
- Pencil_(optics) wikiPageWikiLink Ray_(optics).
- Pencil_(optics) wikiPageWikiLink Scanning_electron_microscope.
- Pencil_(optics) wikiPageWikiLink Subatomic_particle.
- Pencil_(optics) wikiPageWikiLink File:3d-radarp.jpg.
- Pencil_(optics) wikiPageWikiLink File:Pencil_1675.png.
- Pencil_(optics) wikiPageWikiLinkText ""pencil" of light rays".
- Pencil_(optics) wikiPageWikiLinkText "Pencil (optics)".
- Pencil_(optics) wikiPageWikiLinkText "narrow beam".
- Pencil_(optics) wikiPageWikiLinkText "narrow".
- Pencil_(optics) wikiPageWikiLinkText "pencil (optics)".
- Pencil_(optics) wikiPageWikiLinkText "pencil beams".
- Pencil_(optics) wikiPageWikiLinkText "pencil of rays".
- Pencil_(optics) wikiPageWikiLinkText "pencil".
- Pencil_(optics) wikiPageUsesTemplate Template:Optics-stub.
- Pencil_(optics) wikiPageUsesTemplate Template:Reflist.
- Pencil_(optics) subject Category:Antennas_(radio).
- Pencil_(optics) subject Category:Geometrical_optics.
- Pencil_(optics) subject Category:Radiation_therapy.
- Pencil_(optics) type Physic.
- Pencil_(optics) comment "In optics, a pencil or pencil of rays is a geometric construct used to describe a beam or portion of a beam of electromagnetic radiation or charged particles, typically in the form of a narrow cone or cylinder.Antennas which strongly bundle in azimuth and elevation are often described as \"pencil-beam\" antennas. For example a phased array antenna can send out a beam that is extremely thin. Such antennas are used for tracking radar.".
- Pencil_(optics) label "Pencil (optics)".
- Pencil_(optics) sameAs Q2068617.
- Pencil_(optics) sameAs Pencil_Beam.
- Pencil_(optics) sameAs m.09cps0.
- Pencil_(optics) sameAs Q2068617.
- Pencil_(optics) wasDerivedFrom Pencil_(optics)?oldid=645589939.
- Pencil_(optics) depiction Pencil_1675.png.
- Pencil_(optics) isPrimaryTopicOf Pencil_(optics).