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:<math> |\psi\rangle = \cos\theta \exp \left ( i \alpha \right ) |x\rangle + \sin\theta \exp \left ( i \alpha \right ) |y\rangle = \psi_x |x\rangle + \psi_y |y\rangle </math>.
== Applications of linear polarization ==
A research group at the MIT Media Lab has reported the use of polarization field synthesis to create a dynamic light field display. This display is composed of multiple LCD layers, each acting as polarization rotators, enclosed by a pair of crossed linear polarizers. A Four-dimensional light-field can be emitted by algorithmically determining the optimal rotations to be applied at each layer of the display. <ref>{{cite web|last=Lanman|first=Douglas|title=Polarization Fields: Dynamic Light Field Display using Multi-Layer LCDs|accessdate=27 December 2011|coauthors=Gordon Wetzstein, Matthew Hirsch, Wolfgang Heidrich, Ramesh Raskar}}</ref>
==References==
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