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17 April 1998 Polymer waveguide switch using liquid-crystal overlayer
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In this paper, we have demonstrated two types of polymer waveguide switches with nematic liquid crystal cladding. Although the higher propagation loss in LC materials hinders them from serving as the waveguide film, it has been common that LC exhibiting a large optical anisotropy and an electrically controllable molecular alignment are applied to investigations of slab-waveguide cut off switching as active medium claddings. For this type of switching geometry, a higher contrast ratio is obtainable because simple TE or TM polarized waves may be supported in the planar polymer waveguide.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Wei-Ching Chuang, Jin-Shin Lin, Kun-Yi Lee, and Wei-Yu Lee "Polymer waveguide switch using liquid-crystal overlayer", Proc. SPIE 3281, Polymer Photonic Devices, (17 April 1998);


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