Abstract
An in-line polarizer has been demonstrated that uses the birefringent properties of a nematic liquid crystal placed in the evanescent field of a single-mode fiber. A polarization-extinction ratio of 45 dB was measured with an insertion loss of 1.1 dB. Amplitude modulation was also demonstrated by using an external electric field to reorient the liquid-crystal molecules.
© 1986 Optical Society of America
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