light%20beam

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• 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

• 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

• Electron beam welding — (EBW) is a fusion welding process in which a beam of high velocity electrons is applied to the materials being joined. The workpieces melt as the kinetic energy of the electrons is transformed into heat upon impact, and the filler metal, if used …   Wikipedia

• Jim Beam — Infobox Beverage name= type=Bourbon whiskey proof=80 and 86 manufacturer=Fortune Brands origin=Flagicon|USA Clermont, Kentucky USA introduced=1795 discontinued= related= variants=Jim Beam is the world s top selling brand of bourbon whiskey. [… …   Wikipedia

• Dispute about Jesus' execution method — This article is about different views on the form of the gibbet used in the Crucifixion of Jesus. For supposed relics of a Cross, see True Cross. Part of a series on the Death and resurrection of Jesus Passion Last Supper Arr …   Wikipedia