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Fabrication and Characterization of Erbium-Doped Fluoropolymer Patterns via UV-Nanoimprint Lithography for Use in Planar Optical Amplifiers
- Fabrication and Characterization of Erbium-Doped Fluoropolymer Patterns via UV-Nanoimprint Lithography for Use in Planar Optical Amplifiers
- Kim, WH[Kim, Wook Hyun]; Choi, MS[Choi, Myung-Seok]; Han, YS[Han, Yoon Soo]
- DGIST Authors
- Kim, WH[Kim, Wook Hyun]
- Issue Date
- Molecular Crystals and Liquid Crystals, 551, 318-327
- Article Type
- Article; Proceedings Paper
- Cross-Linked; Cross-Linking; Cross Linking Agents; Er-Doped; Erbium; Erbium Doped; Fluorine Containing Polymers; Fluoropolymer; Fluoropolymer Films; Glass Substrates; Hexanediol Diacrylate; High Thermal; Host Materials; Light Amplifiers; Nano-Imprint Lithography; Optical Switches; Optical Waveguides; Photo-Initiator; Planar Optical Amplifiers; Precursor Solutions; Pyrolysis; Substrates; Trifluoromethane; UV-Nanoimprint Lithography; UV Nanoimprint Lithography; Visible and Near Infrared; Weight Ratios
- The Er-doped precursor solutions were first prepared using 2,2,3,3,4,4,5,5- octafluoropentyl acrylate as a fluoromonomer, 2,2,3,3,4,4,5,5-octafluoro-1,6- hexanediol diacrylate as a cross-linking agent, poly(2,2,3,3,4,4,4- heptafluorobutyl acrylate) as a binding polymer, Darocure 4265 as radical photoinitiator and erbium(III) trifluoromethane sulfonate as an erbium source with various weight ratios. The crosslinked, patterned and erbium-doped fluoropolymer films were fabricated by UV-nanoimprint lithography on glass substrates for application as planar optical amplifiers. The fluoropolymer films acting as a host material for the Er ions showed excellent transmission properties-more than 80% over the visible and near-infrared regions- a high thermal decomposition temperature greater than 350°C and the ability to support a high Er concentration-up to 10 wt% based on the polymer matrix. These results were good enough for the films to be used in planar optical amplifier applications. © 2011 Taylor & Francis Group, LLC.
- Taylor and Francis Ltd.
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