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20 September 2002 Electronically tunable Fabry-Perot interferometers with double liquid crystal layers
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A novel structure of an electronically tunable Fabry-Perot interferometer is proposed. It consists of double layers of homogeneously aligned liquid-crystal films with the buffing direction orthogonal to each other. A pure resonant wavelength, for excellent polarization-independent properties, was obtained, as both theoretical and experimental results show. It is demonstrated that the power fluctuations are less than 0.5 dB and the extinction ratios up to 7dB for our devices.
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Kuen-Cherng Lin, Kun-Yi Lee, Cheng-Chih Lai, Chin-Yu Chang, and Sheng-Hsien Wong "Electronically tunable Fabry-Perot interferometers with double liquid crystal layers", Proc. SPIE 4919, Advanced Materials and Devices for Sensing and Imaging, (20 September 2002);

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