Other Ways To Produce Depolarized Light
In many applications it is possible to use a quarter-wave plate to produce circularly polarized light, but this is only possible for light of a limited range of wavelengths which is linearly polarized to start with. It is also possible to use a rotating half-wave plate to produce polarization which is periodic in time, and therefore effectively scrambled for sufficiently slow responses. Other methods have been demonstrated, such as the use of Faraday rotators and liquid crystals. It is also possible to depolarize light using fiber optics.
Read more about this topic: Depolarizer (optics)
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