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Opt Lett. 2004 Nov 15;29(22):2605-7.

In-line polarization controller that uses a hollow optical fiber filled with a liquid crystal.

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  • 1Department of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology, 373-1 Kusong-dong, Yusung-gu, Taejon 305-701, South Korea.


We demonstrate an in-line polarization controller based on a hollow optical fiber filled with a nematic liquid crystal by fabricating thin-film electrodes on the cladding of a fiber. The polarization controller consists of three control sections with fixed optic axes, which operate as phase retarders. The phase retardation in each section is controlled by the magnitude of the applied electric field. The full wave retardation voltage of the polarization controller is approximately 85 V.

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