Polarization Light

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Polarization Light
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  N. Manset / CFHTPolarization of Light: Basics to Instruments1 Part I: Different polarization states of light ã Light as an electromagnetic wave ã Mathematical and graphical descriptions of  polarization ã Linear, circular, elliptical light ã Polarized, unpolarized light  N. Manset / CFHTPolarization of Light: Basics to Instruments2 Light as an electromagnetic wave Light is a transverse wave, an electromagneticwave Part I: Polarization states  N. Manset / CFHTPolarization of Light: Basics to Instruments3 Mathematical description of the EM wave Light wave that propagates in the z direction: y)t-kzcos(E)tz,(E xt)-kzcos(E)tz,(E 0yy0xx       Part I: Polarization states  N. Manset / CFHTPolarization of Light: Basics to Instruments4 Graphical representation of the EM wave (I) One can go from:to the equation of an ellipse (using trigonometric identities, squaring, adding):     20yy0xx20yy20xx sincosEEEE2EEEE           y)t-kzcos(E)tz,(E xt)-kzcos(E)tz,(E 0yy0xx       Part I: Polarization states
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