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Fu-Kwun Hwang
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 « Embed this message on: April 15, 2012, 03:43:13 pm »

The following show electric field of polarized light.
$E_x(t)=E_{xo} cos(\omega t)$
$E_y(t)=E_{yo} cos(\omega t+\theta)$

You can use sliders to change $E_{xo},E_{yo}$ and $\theta$

If $E_{xo}=E_{yo}$ and $\theta=0$, it is a linear wave.
If $E_{xo}=E_{yo}$ and $\theta=\pi/2$, it is a circular polarized wave.
If $E_{xo}\ne E_{yo}$ it is an ellipse polarized wave.

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There is a better way to do it; find it. ..."Thomas Edison(1847-1931, American inventor, 1093 patients)"

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