Fabrication and characterization of fibers with built-in liquid crystal channels and electrodes for transverse incident-light modulation
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We report on an all-in-fiber liquid crystal (LC) structure designed for the modulation of light incident transverse to the fiber axis. A hollow cavity flanked by viscous conductors is introduced into a polymer matrix, and the structure is thermally drawn into meters of fiber containing the geometrically scaled microfluidic channel and electrodes. The channel is filled with LCs, whose director orientation is modulated by an electric field generated between the built-in electrodes. Light transmission through the LC-channel at a particular location can be tuned by the driving frequency of the applied field, which directly controls the potential profile along the fiber
Date issued
2012-07Department
Massachusetts Institute of Technology. Institute for Soldier Nanotechnologies; Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Department of Materials Science and Engineering; Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Research Laboratory of ElectronicsJournal
Applied Physics Letters
Publisher
American Institute of Physics (AIP)
Citation
Stolyarov, Alexander M., Lei Wei, Fabien Sorin, Guillaume Lestoquoy, John D. Joannopoulos, and Yoel Fink. “Fabrication and characterization of fibers with built-in liquid crystal channels and electrodes for transverse incident-light modulation.” Applied Physics Letters 101, no. 1 (2012): 011108. © 2012 American Institute of Physics
Version: Final published version
ISSN
00036951
1077-3118