Synthesis and characterization of methacrylate-based copolymers for integrated optical applications
Koo, Jae-Sun, Smith, Peter G.R., Williams, Richard B., Grossel, Martin C. and Whitcombe, Michael J. (2002) Synthesis and characterization of methacrylate-based copolymers for integrated optical applications. Chemistry of Materials, 14, (12), 5030-5036. (doi:10.1021/cm0212010).
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Poly(methyl methacrylate/2-methacryloylethyl methacrylate)-based copolymers of varying composition have been synthesized and characterized. Free-radical polymerization of hydroxyethyl methacrylate and methyl methacrylate over a range of monomer feed ratios gives an ideal random copolymer series which has been functionalized by further methacryloylation of the pendant hydroxyl group. The resulting polymers have been cross-linked both thermally and by UV exposure, as evidenced by infrared and solid-state NMR spectroscopy. After thermal cross-linking the polymers remain stable up to 200°C. Variation of polymer composition has allowed the refractive index to be tuned between 1.497 and 1.518, a range suitable for waveguide applications, and channel waveguides have been fabricated by UV writing. The propagation loss of these channel waveguides is less than 1 dB/cm at a range of near-IR wavelengths.
|Digital Object Identifier (DOI):||doi:10.1021/cm0212010|
|Keywords:||polymer wave-guides, wavelength filters, stability, networks, gratings|
|Subjects:||Q Science > QD Chemistry
T Technology > TP Chemical technology
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
University Structure - Pre August 2011 > School of Chemistry
|Date Deposited:||21 Feb 2006|
|Last Modified:||20 Aug 2015 10:01|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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