axicon
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Axicon — An axicon is a specialized type of lens which has a conical surface. An axicon images a point source into a line along the optic axis, or transforms a laser beam into a ring. [cite web|url=http://www.optics.arizona.edu/OPTI696/2005/axicon Proteep … Wikipedia
Axicon — Les axicons sont une famille de systèmes optiques à symétrie cylindrique qui produisent une ligne de focalisation plutôt qu un seul point de focalisation. L axicon le plus connu est la lentille conique. Applications Alignement de télescope… … Wikipédia en Français
Lens (optics) — For other uses, see Lens. A lens. Lenses can be used to focus light. A lens is an optical device with perfect or approximate axial symmetry which tra … Wikipedia
List of optical topics — Probably some Wikipedia articles on topics in optics are not yet listed on this page. If you cannot find the topic you are interested in on this page, the article may nonetheless exist; you can try to find it using the Search box, or look in and… … Wikipedia
National Academy of Sciences of Belarus — The National Academy of Sciences of Belarus (NASB) (Belarusian: Нацыянальная акадэмія навук Беларусі, Russian: Национальная академия наук Беларуси, НАН Беларуси, НАНБ ) is the national academy of Belarus … Wikipedia
Donald Petersen — Donald Peterson Born 4 September 1926 (1926 09 04) (age 85) Pipestone, Minnesota, USA Occupation Businessman Donald Eugene Petersen (born September 4, 1926) is an American businessman who was employed by the Ford Motor Company for 40 years,… … Wikipedia
Bessel beam — A Bessel beam is a field of electromagnetic radiation whose amplitude is described by a Bessel function. A true Bessel beam is non diffractive. This means that as it propagates, it does not diffract and spread out; this is in contrast to the… … Wikipedia
Cellway — Logo der Cellway GmbH Cellway ist eine Marke der Freenet AG. Ende 2003 wurde die Cellway Kommunikationsdienste auf die mobilcom Communicationstechnik GmbH verschmolzen. Kundenbetreuung und Rechnungen erfolgen durch mobilcom. Die Marke Cellway… … Deutsch Wikipedia
Index of optics articles — Optics is the branch of physics which involves the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it.[1] Optics usually describes the behavior of visible,… … Wikipedia
Faisceau de Bessel — Un faisceau de Bessel est un champ de radiations électromagnétiques[1],[2],[3], acoustiques ou gravitationnelles dont l amplitude suit une fonction de Bessel de première espèce. Pour le faisceau de Bessel d ordre zéro, l amplitude est maximale à… … Wikipédia en Français
