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| Keywords: Polarisation (Circular).svg The direction of the helix relative to the central axis represents the direction of the electric field of the circularly polarized light at each point in space The blue and red lines are projections of the helix onto two planes at right angles ---- There is an version which is identical to this original with the exception of phase indictors to make the phase relationship of its components clearer Refer to Other Versions section below Own drawing down in Mathematica edited in the open source program Inscape Created with Inkscape 12/02/07 inductiveload Polarisation Circular With Phase Indicators svg Linear polarisation Elliptical polarisation Mathematica Code This figure requires the use of Arrow3D which is not included in the StandardPackages as of Feb 2007 This can be obtained from Wolfram Research at http //library wolfram com/infocenter/TechNotes/4117/ this location The required packages are << Graphics` << Arrow3D`Arrow3D` The code is <pre><nowiki> wavefunction ParametricPlot3D Sin4t -Cos4t t t 0 5 BoxRatios -> 1 1 4 ImageSize -> 400 Boxed -> False Axes -> False PlotPoints -> 600 ViewPoint -> 2 2 2 PlotRange -> All repsi ParametricPlot3D Sin4t -1 t RGBColor1 0 0 t 0 5 BoxRatios -> 4 1 1 ImageSize -> 500 Boxed -> False Axes -> False PlotPoints -> 600 PlotRange -> All impsi ParametricPlot3D -1 -Cos4t t RGBColor0 0 102/255 t 0 \ 5 BoxRatios -> 4 1 1 ImageSize -> 500 Boxed -> False Axes -> False PlotPoints -> 600 PlotRange -> All end ParametricPlot3D Sint -Cost 0 t 0 2Ï BoxRatios -> 4 1 1 ImageSize -> 500 Boxed -> False Axes -> False PlotPoints -> 600 PlotRange -> All xaxis Graphics3DArrow3D 0 0 -1 0 0 6 HeadSize -> UniformSize 5 HeadColor -> Black uaxis Graphics3DArrow3D 0 -1 0 0 3 0 HeadSize -> UniformSize 5 HeadColor -> Black vaxis Graphics3DArrow3D -1 0 0 3 0 0 HeadSize -> UniformSize 5 HeadColor -> Black plane Graphics3DPolygon 1 2 1 2 0 1 2 -1 2 0 -1 2 -1 2 0 -1 2 1 2 0 crate WireFrameGraphics3DCuboid 1 1 0 -1 -1 5 Showwavefunction xaxis uaxis vaxis plane repsi impsi end crate </nowiki></pre> Circular and elliptical polarization | ||||
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