A polarization controller is an optical device which allows one to modify the polarization state of light. == Types and operation == Polarization controllers can be operated without feedback, typically by manual adjustment or by electrical signals from a generator, or with automatic feedback.
A polarization controller is an optical device which allows one to modify the polarization state of light. == Types and operation == Polarization controllers can be operated without feedback, typically by manual adjustment or by electrical signals from a generator, or with automatic feedback.
Source: Wikipedia "Polarization controller" · CC BY-SA 4.0
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