As the name would suggest, a PEM provides polarization modulation, that is, a changing retardation that follows a sinusoidal pattern. As such, applications that need a steady retardation level are not well suited for PEMs.
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As the name would suggest, a PEM provides polarization modulation, that is, a changing retardation that follows a sinusoidal pattern. As such, applications that need a steady retardation level are not well suited for PEMs.
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