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- Campanile_probe abstract "In near-field scanning optical microscopy the campanile probe is a tapered optical probe with a shape of a campanile (a square pyramid). It is made of an optically transparent dielectric, typically silica, and its two facets are coated with a metal, typically gold. At the probe tip, the metal-coated facets are separated by a gap of a few tens of nanometers, which determines the spatial resolution of the probe. Such a probe design allows collecting optical signals, usually photoluminescence (PL) or Raman scattering, with a subwavelength resolution, breaking the diffraction limit.The campanile probe is attached to an optical fiber, which both provides a laser excitation of the studied sample and collects the measured signal. The probe is rastered over the sample with a standard scanning probe microscopy scanner, keeping the distance to the sample surface at a few nanometers. Contrary to the traditional (circular) near-field probes, the campanile probe has no cut-off frequency and is insensitive to the spatial mode of the optical near field. Hence its application is not limited to thin-film samples. Another advantage of the campanile probe is a high signal collection efficiency, which exceeds 90%.Campanile probes are typically fabricated as follows: a standard cylindrical single-mode optical fiber is etched with hydrofluoric acid to create a conical tip with a radius of ca. 100 nm. Then a square pyramid is carved on the tip using focused ion beam (FIB) milling, and its two facets are coated with a metal by shadow evaporation. A nanometer gap is the opened on the tip by FIB.".
- Campanile_probe thumbnail Campanile_probe2.jpg?width=300.
- Campanile_probe wikiPageID "48751238".
- Campanile_probe wikiPageLength "4135".
- Campanile_probe wikiPageOutDegree "16".
- Campanile_probe wikiPageRevisionID "705517784".
- Campanile_probe wikiPageWikiLink Bell_tower.
- Campanile_probe wikiPageWikiLink Category:Scanning_probe_microscopy.
- Campanile_probe wikiPageWikiLink Dielectric.
- Campanile_probe wikiPageWikiLink Diffraction-limited_system.
- Campanile_probe wikiPageWikiLink Focused_ion_beam.
- Campanile_probe wikiPageWikiLink Gold.
- Campanile_probe wikiPageWikiLink Hydrofluoric_acid.
- Campanile_probe wikiPageWikiLink Near-field_scanning_optical_microscope.
- Campanile_probe wikiPageWikiLink Photoluminescence.
- Campanile_probe wikiPageWikiLink Raman_scattering.
- Campanile_probe wikiPageWikiLink Scanning_probe_microscopy.
- Campanile_probe wikiPageWikiLink Silicon_dioxide.
- Campanile_probe wikiPageWikiLink Square_pyramid.
- Campanile_probe wikiPageWikiLink File:Campanile_probe2.jpg.
- Campanile_probe wikiPageWikiLink File:Campanile_probe3.jpg.
- Campanile_probe wikiPageWikiLink File:Campanile_probe_vs_confocal_PL_maps.jpg.
- Campanile_probe wikiPageWikiLinkText "Campanile probe".
- Campanile_probe wikiPageWikiLinkText "campanile probe".
- Campanile_probe wikiPageUsesTemplate Template:Commons_category.
- Campanile_probe wikiPageUsesTemplate Template:Reflist.
- Campanile_probe subject Category:Scanning_probe_microscopy.
- Campanile_probe hypernym Probe.
- Campanile_probe type ArtificialSatellite.
- Campanile_probe comment "In near-field scanning optical microscopy the campanile probe is a tapered optical probe with a shape of a campanile (a square pyramid). It is made of an optically transparent dielectric, typically silica, and its two facets are coated with a metal, typically gold. At the probe tip, the metal-coated facets are separated by a gap of a few tens of nanometers, which determines the spatial resolution of the probe.".
- Campanile_probe label "Campanile probe".
- Campanile_probe wasDerivedFrom Campanile_probe?oldid=705517784.
- Campanile_probe depiction Campanile_probe2.jpg.
- Campanile_probe isPrimaryTopicOf Campanile_probe.