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What is polarization?


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2010-10-22 16:11:06
2010-10-22 16:11:06

Polarization speaks to the orientation of a wave in space. Waves oscillate. They have a component or components that move or are in motion. And as regards the space through which they're moving, they may be moving "up and down" or "across and back" or at some angle relative to some "reference" like "up and down" as cited.

There are lots of different applications of the concept, and light, electronics and even something like seismology deal with the concept of the polarization of waves. Links can be found below to relevant posts.

When a charged body is placed close to a nonconducting substance, the molecules of the substance get polarised. This is called polarisation.

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electronic polarization ionic or atomic polarization orientation or dipole polarization space charge polarization

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There are three types of polarization in dielectric material, they are electronic polarization, ionic polarization and orientational polarization.

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Cross polarization is the polarization orthogonal to the desired polarization. For instance, if the fields from an antenna are meant to be horizontally polarized, the cross-polarization in this case is vertical polarization. If the polarization is Right Hand Circularly Polarized (RHCP), the cross-polarization is Left Hand Circularly Polarized (LHCP).

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Why is polarization important?

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Polarization is the separation of charges.


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