Synthesis and Characterization of Fluorinated Poly(phenylmaleimide-co-pentafluorophenylmaleimide) for Optical Waveguides

Fluorinated polymaleimides with high thermal stability and low optical absorption loss in the optical communication wavelength of $1.55{\mu}m$ were investigated for application in low-loss waveguide materials. The fluorinated polymaleimides were prepared from two monomers phenylmaleimide (H-PMI) and...

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Bibliographic Details
Published in:Bulletin of the Korean Chemical Society 2013, Vol.34 (4), p.1077-1080
Main Authors: Choi, Jongwan, Oh, Jin-Woo, Kim, Nakjoong
Format: Article
Language:Korean
Online Access:Get full text
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Summary:Fluorinated polymaleimides with high thermal stability and low optical absorption loss in the optical communication wavelength of $1.55{\mu}m$ were investigated for application in low-loss waveguide materials. The fluorinated polymaleimides were prepared from two monomers phenylmaleimide (H-PMI) and pentafluorophenylmaleimide (F-PMI). All synthesized copolymers had high thermal stability (decomposition temperature $(T_d)=380-430^{\circ}C$). The refractive index of the copolymers could be tuned from 1.4969 to 1.5950 in the TE mode and from 1.4993 to 1.5932 for the TM mode at 632.8 nm by copolymerizing different weight ratios of H-PMI and F-PMI. The refractive index of the copolymers decreased with increasing F-PMI content. In addition, when the amount of F-PMI was increased, optical loss and absorption loss at 632.8 nm and 1550 nm, respectively, decreased.
ISSN:0253-2964
1229-5949