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Journal Article
Fluorinated Styrene‐ and Carbazole‐Based Cladding Polymer Layers for EO and NLO Polymer Devices
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- Authors
- Seung Koo Park, Sun Tak Park, Jung Jin Ju, Min-Su Kim, Jin Tae Kim, Myung-Hyun Lee
- Issue Date
- 2008-02
- Citation
- Macromolecular Chemistry and Physics, v.209, no.3, pp.290-297
- ISSN
- 1022-1352
- Publisher
- John Wiley & Sons
- Language
- English
- Type
- Journal Article
- Abstract
- Novel polymer cladding materials were synthesized and their potential for use in optical waveguide devices was investigated. 9-[2-(2,3,5,6-Tetrafluoro-4- vinylphenoxy)ethyl]-9H-carbazole and 1-pentafluorophenylpyrrole-2,5-dione were used as comonomers for preparing the acrylic cladding copolymers. These showed a low resistivity (≈2 × 1013 廓 쨌 cm) at room temperature and a low optical loss (-0.6 dB 쨌 cm-1) at a wavelength of 1.55 μm. The refractive indexes and the glass transition temperatures of the polymer cladding materials can be controlled by the composition of the copolymers. The resulting polymers are good candidates for cladding materials for practical applications in devices. © 2008 WILEY-VCH Verlag GmbH & Co. KGaA.