Abstract
We propose a new optical design to produce linearly polarized illumination
for liquid crystal displays. The operation mechanism is based on polarization
conversion due to induced surface plasmon polariton on metallic gratings in
conical diffraction. This linearly polarized lamp integrates an unpolarized
light source and a light recycling scheme inside the
lamp housing. Its structure is simple and, moreover, its optical efficiency
reaches 92% in emitting a linearly polarized light.
© 2009 IEEE
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