Keywords: Newton rings.jpg Newton's rings interference fringes between 2 plano convex lenses placed together with their plane surfaces in contact The rings are created by interference between the light reflected off the two surfaces caused by a slight gap between them showing that these surfaces are not precisely plane but are slightly convex de Newtonsche Ringe zwischen 2 plankonvexen Linsen die mit ihren ebenen Flächen aneinanderliegen; die Ringe zeigen dass die Planflächen offensichtlich nicht ganz plan sind own Ulfbastel 2009-07-23 PD Newton rings close-up jpg Newton's rings |