Image:Circular polarization schematic.png

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Circular_polarization_schematic.png‎ (5KB, MIME type: image/png)

Gnuplot source:

set term png crop 
set output "Circular_polarization_schematic.png"

set parametric

set size square 1.5,1.5
set samples 200

set format  ""
set nokey
set noztics

set border 1023-32-128
tl = 0.2
mu = 10*pi
f = 1.0
set urange [0:mu]
set xrange [-1:1]
set yrange [-1:1]
set arrow from -1,0,-tl*mu to 1.5,0,-tl*mu lt -1
set arrow from 0,-1,-tl*mu to 0,1.5,-tl*mu lt -1
set arrow from 0,0,-tl*mu to 0,0,mu*1.3 lt -1 lw 1
set ticslevel 0
set view 60, 135, 0.3, 3
splot \
sin(u), -1, u w l, \
-1, f*cos(u), u w l,\
sin(u), f*cos(u), -tl*mu w l lt 4 lw 4,\
sin(u), f*cos(u), u w l lt 3 lw 4

set output
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